-7(3n-3)-5=-7n+21

Simple and best practice solution for -7(3n-3)-5=-7n+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 -7(3n-3)-5=-7n+21 equation: 


Simplifying
-7(3n + -3) + -5 = -7n + 21

Reorder the terms:
-7(-3 + 3n) + -5 = -7n + 21
(-3 * -7 + 3n * -7) + -5 = -7n + 21
(21 + -21n) + -5 = -7n + 21

Reorder the terms:
21 + -5 + -21n = -7n + 21

Combine like terms: 21 + -5 = 16
16 + -21n = -7n + 21

Reorder the terms:
16 + -21n = 21 + -7n

Solving
16 + -21n = 21 + -7n

Solving for variable 'n'.

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

Add '7n' to each side of the equation.
16 + -21n + 7n = 21 + -7n + 7n

Combine like terms: -21n + 7n = -14n
16 + -14n = 21 + -7n + 7n

Combine like terms: -7n + 7n = 0
16 + -14n = 21 + 0
16 + -14n = 21

Add '-16' to each side of the equation.
16 + -16 + -14n = 21 + -16

Combine like terms: 16 + -16 = 0
0 + -14n = 21 + -16
-14n = 21 + -16

Combine like terms: 21 + -16 = 5
-14n = 5

Divide each side by '-14'.
n = -0.3571428571

Simplifying
n = -0.3571428571

See similar equations:

| -8(m+3)=32 | | 8d-5d-16d=18 | | 3p+28=4p+27 | | -(x-8)+4x=2(x-8)+x | | 7x^2-4y^2=18 | | F-819/-20=-9 | | 45x=4 | | 21+28h=-2 | | 10x=4(x-62) | | 3u-3u+u=12 | | 9+3.5d=11-0.5d | | 9-30x-y-15=0 | | w+5.3=-10 | | 10g+13g+-12g-4g+-17g=4 | | 8x+25=3x | | (X+15)+71=180 | | 2y^2=128squared | | 10g+13g+-12g-4g+-17g=7 | | 5/6x-1/3=4/7x-5/42 | | 2(x-1)+6x=4(3-1)+2 | | 8k^2+32-40=0 | | 4y-y=2 | | .6=4/x | | 988=19(k-936) | | 576/x=x | | 40-7x=-8(x-5)-7 | | (5)2/3 | | 9(u+2)=32 | | (5a-2)/3=9 | | 2y-13=-1 | | 12a-6a=30-10a | | x/6=2/4 |

Equations solver categories