15m-(7-3m)=m-21

Simple and best practice solution for 15m-(7-3m)=m-21 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 15m-(7-3m)=m-21 equation:


Simplifying
15m + -1(7 + -3m) = m + -21
15m + (7 * -1 + -3m * -1) = m + -21
15m + (-7 + 3m) = m + -21

Reorder the terms:
-7 + 15m + 3m = m + -21

Combine like terms: 15m + 3m = 18m
-7 + 18m = m + -21

Reorder the terms:
-7 + 18m = -21 + m

Solving
-7 + 18m = -21 + m

Solving for variable 'm'.

Move all terms containing m to the left, all other terms to the right.

Add '-1m' to each side of the equation.
-7 + 18m + -1m = -21 + m + -1m

Combine like terms: 18m + -1m = 17m
-7 + 17m = -21 + m + -1m

Combine like terms: m + -1m = 0
-7 + 17m = -21 + 0
-7 + 17m = -21

Add '7' to each side of the equation.
-7 + 7 + 17m = -21 + 7

Combine like terms: -7 + 7 = 0
0 + 17m = -21 + 7
17m = -21 + 7

Combine like terms: -21 + 7 = -14
17m = -14

Divide each side by '17'.
m = -0.8235294118

Simplifying
m = -0.8235294118

See similar equations:

| 18=-2m+6m | | 12+(x)(5)=-3 | | 2-3y=-9 | | -x(5-8x)=0 | | -1/4(-9)-25/4=y | | v+11=-4v-11+3v | | 18=2m+6m | | 10.99d+10=13.99d | | 4-2tan(x)=2 | | 35m+30=74 | | 2(x-4)=4x+3x+6 | | x^2-196y^2=0 | | 5(x-100)=2(x-100+21) | | 2(w+23)+(4w+7)=180 | | x-15=12.7 | | 3x^2-22x+23=-1 | | 8(4x-1)(4x-1)+3=-10(4x-1) | | -10+9x=-9(x-1) | | 6[2n+3]=4[5n-1] | | -1/4(-5)-25/4=y | | 5=2x+21 | | 24t+5=173 | | -1/4(-5)-25=y | | 9x-19=-82 | | -7(1-x)+x=-(5-5x)+5 | | k/12=2 | | 7u=897 | | 2-b=29 | | 3(2x+12)-4(4-6x)=96 | | 74=53-7 | | 11u=84u | | 2(x+7)-14=-4(x-5)+28 |

Equations solver categories