-7x+2(-x-21)=30

Simple and best practice solution for -7x+2(-x-21)=30 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 -7x+2(-x-21)=30 equation: 



-7x+2(-x-21)=30

We move all terms to the left:

-7x+2(-x-21)-(30)=0

We add all the numbers together, and all the variables

-7x+2(-1x-21)-30=0

We multiply parentheses

-7x-2x-42-30=0

We add all the numbers together, and all the variables

-9x-72=0

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

-9x=72

x=72/-9

x=-8

See similar equations:

| 7=u/2+8 | | 3(x-(-2))-2x=-1 | | r=32=63 | | 4(8x-4)+3=-1 | | 2^(2x-3)=1 | | 2x+10=-2x+26 | | 4p-10=-6 | | 5x-2(2x+2)=-15 | | 3x2-42=33 | | 10-3m=-8 | | 261/473=29m/172 | | 6k-8=5+6k | | -6x-5(-2x+10)=-22 | | -3.1x+7-(-7.4)=1.5x)-6(x-3/2) | | -5x+9=3x-12 | | 2-(n+5)=-n+1 | | 2f-3=5 | | 2-(n+5)=n+1 | | 4x+13=47 | | 3x–4+x=32 | | 9y-5y-6=43.68 | | -3(n+8)=6-8n* | | 3h+1=4 | | -5=(c/7) | | -19=1-7x+3x | | -3x-4(5x-16)=-166 | | 6d^2+21d=10d | | 4x+10-2x-15=-4 | | 3x-38=37 | | 3^4x-3=4^3x-2 | | 10a-3=5(a+7)+3a | | 13=x-1-8x |

Equations solver categories