-3n-7(3n-1)=3n-20

Simple and best practice solution for -3n-7(3n-1)=3n-20 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 -3n-7(3n-1)=3n-20 equation:


Simplifying
-3n + -7(3n + -1) = 3n + -20

Reorder the terms:
-3n + -7(-1 + 3n) = 3n + -20
-3n + (-1 * -7 + 3n * -7) = 3n + -20
-3n + (7 + -21n) = 3n + -20

Reorder the terms:
7 + -3n + -21n = 3n + -20

Combine like terms: -3n + -21n = -24n
7 + -24n = 3n + -20

Reorder the terms:
7 + -24n = -20 + 3n

Solving
7 + -24n = -20 + 3n

Solving for variable 'n'.

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

Add '-3n' to each side of the equation.
7 + -24n + -3n = -20 + 3n + -3n

Combine like terms: -24n + -3n = -27n
7 + -27n = -20 + 3n + -3n

Combine like terms: 3n + -3n = 0
7 + -27n = -20 + 0
7 + -27n = -20

Add '-7' to each side of the equation.
7 + -7 + -27n = -20 + -7

Combine like terms: 7 + -7 = 0
0 + -27n = -20 + -7
-27n = -20 + -7

Combine like terms: -20 + -7 = -27
-27n = -27

Divide each side by '-27'.
n = 1

Simplifying
n = 1

See similar equations:

| -3y=1/2x-5 | | 19.7=41.1-g | | 3X^2-3=2x | | X-3=5129 | | (3+y)(4y-7)=0 | | -10x+85=2x-23 | | 112=-16t^2-128t | | 2w+3.7=-.5 | | 10-x/6 | | nSquared+(n-1)=66 | | 6-30-18= | | 8x+86=3x+72 | | 3/2x=-x-5 | | 2w+3.7=.5 | | w=-3m*-2m-(-2m*m)+m^2*9 | | A=[10] | | 8v+1w+7-8v+2m= | | (x+3)(x+3)(x+3)=0 | | -y=3x+18 | | 350=30p+80 | | 3x+10=6x+48 | | -2y+200=y+50 | | 3x+10=6x+38 | | 3+b^2= | | -10x+85=2x-22 | | lg(2x-4)=lg(3x+2) | | (8/2x-5)-(7/5-2x) | | -19.4-15d-22d=4.4 | | 85=12x-22 | | 8/2x-5-7/5-2x | | 1/3=x-22 | | 11x-3-7w=9 |

Equations solver categories