-4x+3(x+4)=21

Simple and best practice solution for -4x+3(x+4)=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 -4x+3(x+4)=21 equation:


Simplifying
-4x + 3(x + 4) = 21

Reorder the terms:
-4x + 3(4 + x) = 21
-4x + (4 * 3 + x * 3) = 21
-4x + (12 + 3x) = 21

Reorder the terms:
12 + -4x + 3x = 21

Combine like terms: -4x + 3x = -1x
12 + -1x = 21

Solving
12 + -1x = 21

Solving for variable 'x'.

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

Add '-12' to each side of the equation.
12 + -12 + -1x = 21 + -12

Combine like terms: 12 + -12 = 0
0 + -1x = 21 + -12
-1x = 21 + -12

Combine like terms: 21 + -12 = 9
-1x = 9

Divide each side by '-1'.
x = -9

Simplifying
x = -9

See similar equations:

| 1=0n+5+2n | | -6w+26=8(w+5) | | 5n+13=1-n | | 5-0n-n=7 | | X-2=-1+.33 | | x^2=-2+y+5(cos(y)) | | 0=4c^7-5 | | x=270-(0.667Y) | | -8=-1n+4-2n | | -94=-2(5a+7) | | 7b(b+1)= | | -2=2-2n+0n | | 21/150 | | 1(4n+6)=10n-24-2n | | -3n+1+0n=-11 | | 5x-15=2x-45 | | 8y+2=7y-5 | | 5p+2=34 | | 4+3n-2n=0 | | 87=3(3n+5) | | 9/5•120 | | -3=n-1n-3 | | 2(x+3)+3(x-2)=0 | | 2+2n-2n=2 | | 8p+10p-30=24+2p+6 | | -5(1+2m)=-85 | | 12x+6=114 | | H=-5t^2+13t+3 | | 25b^2+15b=0 | | 12x+6=152 | | 6d+d-3d-5-5d=0 | | 161=9n-1 |

Equations solver categories