3(m-4)2m=m+8

Simple and best practice solution for 3(m-4)2m=m+8 equation. Check how easy it is, and learn it for the future. Our solution is simple, and easy to understand, so don`t hesitate to use it as a solution of your homework.

If it's not what You are looking for type in the equation solver your own equation and let us solve it.

Solution for 3(m-4)2m=m+8 equation:


Simplifying
3(m + -4) * 2m = m + 8

Reorder the terms:
3(-4 + m) * 2m = m + 8

Reorder the terms for easier multiplication:
3 * 2m(-4 + m) = m + 8

Multiply 3 * 2
6m(-4 + m) = m + 8
(-4 * 6m + m * 6m) = m + 8
(-24m + 6m2) = m + 8

Reorder the terms:
-24m + 6m2 = 8 + m

Solving
-24m + 6m2 = 8 + m

Solving for variable 'm'.

Reorder the terms:
-8 + -24m + -1m + 6m2 = 8 + m + -8 + -1m

Combine like terms: -24m + -1m = -25m
-8 + -25m + 6m2 = 8 + m + -8 + -1m

Reorder the terms:
-8 + -25m + 6m2 = 8 + -8 + m + -1m

Combine like terms: 8 + -8 = 0
-8 + -25m + 6m2 = 0 + m + -1m
-8 + -25m + 6m2 = m + -1m

Combine like terms: m + -1m = 0
-8 + -25m + 6m2 = 0

Begin completing the square.  Divide all terms by
6 the coefficient of the squared term: 

Divide each side by '6'.
-1.333333333 + -4.166666667m + m2 = 0

Move the constant term to the right:

Add '1.333333333' to each side of the equation.
-1.333333333 + -4.166666667m + 1.333333333 + m2 = 0 + 1.333333333

Reorder the terms:
-1.333333333 + 1.333333333 + -4.166666667m + m2 = 0 + 1.333333333

Combine like terms: -1.333333333 + 1.333333333 = 0.000000000
0.000000000 + -4.166666667m + m2 = 0 + 1.333333333
-4.166666667m + m2 = 0 + 1.333333333

Combine like terms: 0 + 1.333333333 = 1.333333333
-4.166666667m + m2 = 1.333333333

The m term is -4.166666667m.  Take half its coefficient (-2.083333334).
Square it (4.340277781) and add it to both sides.

Add '4.340277781' to each side of the equation.
-4.166666667m + 4.340277781 + m2 = 1.333333333 + 4.340277781

Reorder the terms:
4.340277781 + -4.166666667m + m2 = 1.333333333 + 4.340277781

Combine like terms: 1.333333333 + 4.340277781 = 5.673611114
4.340277781 + -4.166666667m + m2 = 5.673611114

Factor a perfect square on the left side:
(m + -2.083333334)(m + -2.083333334) = 5.673611114

Calculate the square root of the right side: 2.381934322

Break this problem into two subproblems by setting 
(m + -2.083333334) equal to 2.381934322 and -2.381934322.

Subproblem 1

m + -2.083333334 = 2.381934322 Simplifying m + -2.083333334 = 2.381934322 Reorder the terms: -2.083333334 + m = 2.381934322 Solving -2.083333334 + m = 2.381934322 Solving for variable 'm'. Move all terms containing m to the left, all other terms to the right. Add '2.083333334' to each side of the equation. -2.083333334 + 2.083333334 + m = 2.381934322 + 2.083333334 Combine like terms: -2.083333334 + 2.083333334 = 0.000000000 0.000000000 + m = 2.381934322 + 2.083333334 m = 2.381934322 + 2.083333334 Combine like terms: 2.381934322 + 2.083333334 = 4.465267656 m = 4.465267656 Simplifying m = 4.465267656

Subproblem 2

m + -2.083333334 = -2.381934322 Simplifying m + -2.083333334 = -2.381934322 Reorder the terms: -2.083333334 + m = -2.381934322 Solving -2.083333334 + m = -2.381934322 Solving for variable 'm'. Move all terms containing m to the left, all other terms to the right. Add '2.083333334' to each side of the equation. -2.083333334 + 2.083333334 + m = -2.381934322 + 2.083333334 Combine like terms: -2.083333334 + 2.083333334 = 0.000000000 0.000000000 + m = -2.381934322 + 2.083333334 m = -2.381934322 + 2.083333334 Combine like terms: -2.381934322 + 2.083333334 = -0.298600988 m = -0.298600988 Simplifying m = -0.298600988

Solution

The solution to the problem is based on the solutions from the subproblems. m = {4.465267656, -0.298600988}

See similar equations:

| 4x^3-4x^2-120x= | | x+3-10x=3(11-3x) | | -10t+3t^2-8= | | 5x-(7x+7)=9 | | w+8-4w-15= | | 16x^2-40xy+25y^2= | | 2m+6=12 | | (9+8)+4=9+(x+4) | | 6x-(2x-5)=2(2x+4) | | -14x^2+59x-35= | | 7+2l-6=-9 | | 56c^2d-23cd-63d=0 | | 23x+8-26x=2-9 | | -2+-5=-7 | | rs-t=w | | 2l-8+15=13 | | 10c=50 | | 3l-46=27 | | -6-6k+12=18 | | -4x+6x-15=31 | | 8x+17-7x=-5-12 | | 2m+1=16 | | 8a+8-17=15 | | -11x+18+x^2= | | (x-3)/15=2/5 | | 3x=6-9 | | 15x+60=-15 | | 13+10c-4=29 | | 5x+b=c | | 25y^2+20y+4= | | -9+2x+3x=21 | | rs=t |

Equations solver categories