-21=4(x+4)-9

Simple and best practice solution for -21=4(x+4)-9 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=4(x+4)-9 equation: 



-21=4(x+4)-9

We move all terms to the left:

-21-(4(x+4)-9)=0



We calculate terms in parentheses: -(4(x+4)-9), so:

4(x+4)-9

We multiply parentheses

4x+16-9

We add all the numbers together, and all the variables

4x+7

Back to the equation:

-(4x+7)



We get rid of parentheses

-4x-7-21=0

We add all the numbers together, and all the variables

-4x-28=0

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

-4x=28

x=28/-4

x=-7

See similar equations:

| 4a+6=2a+18 | | 2(x-2)=-2x-20 | | p+10=4p+1 | | 2x-5x3=19 | | 8x+22=3x+17 | | 4(5x-1)-9=27 | | 2x5-3=19 | | 47-4v=2v+5 | | 18=2(2x-5)+8 | | 10x+6-4x=6 | | 7.55x+100=160 | | 3x–11=4 | | 0+7y=-21 | | x+8=5(x-4) | | 4(x=3)=44 | | 3•x=81 | | 3x+174=2 | | 5/6=x3/20= | | 7x–40=3x | | 20x-5=6x+3 | | 17.9*x+-44.7=0.945 | | 0.23x+1.47=0.37-1.05 | | 17.9*x+-44.7R²=0.945 | | 0.75x+9=0.25x-12 | | -2x-16=-24 | | 3x-15=-4x-50 | | 4x+14=-3x+56 | | -7x+10=-5x+16 | | -7x+1=-5x-1 | | 0.1x^2+10x=-520 | | 2(x=3)=30-6x | | 6x+3=-x-25 |

Equations solver categories