21-4(3x-2)=-7

Simple and best practice solution for 21-4(3x-2)=-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 21-4(3x-2)=-7 equation: 


Simplifying
21 + -4(3x + -2) = -7

Reorder the terms:
21 + -4(-2 + 3x) = -7
21 + (-2 * -4 + 3x * -4) = -7
21 + (8 + -12x) = -7

Combine like terms: 21 + 8 = 29
29 + -12x = -7

Solving
29 + -12x = -7

Solving for variable 'x'.

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

Add '-29' to each side of the equation.
29 + -29 + -12x = -7 + -29

Combine like terms: 29 + -29 = 0
0 + -12x = -7 + -29
-12x = -7 + -29

Combine like terms: -7 + -29 = -36
-12x = -36

Divide each side by '-12'.
x = 3

Simplifying
x = 3

See similar equations:

| 14-n=8n+4 | | B=38+-8b | | -3(3y+2)-4(y-2)= | | -13=1-2p-5p | | B+8b=38 | | 6X+2[X+7]=46 | | 5x-1-2x=8 | | 7x+4+x= | | 6x+3(2+5x)=48 | | -4+4-2x=-2(3x-2) | | 0.3x-0.9x-3=-9 | | -25-x=-18 | | 6x+3(2+5x)=4 | | 4s-15=-5s+12 | | 3G-7=2(10+g) | | 7z-7-3z=0 | | 4x^3+4x^2-168x= | | -2x+8=(-16) | | x-4+1=30 | | 81=-3(5p-7)+3p | | 12n+20=6(n+4) | | -2x-7x-5x=70 | | -19=-8+n | | 78-x=-27 | | 5.7=8.1 | | -13-5x=-9 | | -14=6+5w | | 3-2(x+8)=-11 | | 1-3y=2+3x | | 10x-47=4x+55 | | 8-3n=2n-17 | | X-1=4x-16 |

Equations solver categories