21=8-6n+7

Simple and best practice solution for 21=8-6n+7 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 21=8-6n+7 equation: 



21=8-6n+7

We move all terms to the left:

21-(8-6n+7)=0

We add all the numbers together, and all the variables

-(-6n+15)+21=0

We get rid of parentheses

6n-15+21=0

We add all the numbers together, and all the variables

6n+6=0

We move all terms containing n to the left, all other terms to the right

6n=-6

n=-6/6

n=-1

See similar equations:

| 0.04y+y=9465 | | -4x-7(-x-6)=195 | | 15+0.10x=10+0,15x | | 2x+3/8=3x=3/8 | | |4x-7|=|4x-5| | | 5x-10+4x-5=180 | | -x^2+x=-12 | | 3r-(0)=r+(8) | | 3x+4x=-14  | | 8y-4+3(y+7)=6y-3(y+3) | | 13+6b=1+5b+6 | | -9(x-4)=63 | | 6a-5-2a=3a-11 | | -5x+3(-4x-11)=139 | | 5/4x-2/3=1/5x+1/2 | | 7-7a-7a=-21 | | -12-4(-5n+7)=108 | | n11=−3 | | 15*0.10x=10*0.15x | | 4x-16-5x=12 | | 6=2(y+29) | | 5f-8=42 | | 6=2(y+29 | | 7p-5+2p=-23 | | 16x+30-12x=-3+2-3x | | 2x+3x=163 | | -5x+3(4x-11)=139 | | 3.4,1.1+x=45 | | 16x=12(2x-6)-24 | | 2x+42=-26 | | 4x2-3x-118=0 | | 2.9=k+0.5 |

Equations solver categories