12+7x-21=-8(3-x)+3x

Simple and best practice solution for 12+7x-21=-8(3-x)+3x 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 12+7x-21=-8(3-x)+3x equation:


Simplifying
12 + 7x + -21 = -8(3 + -1x) + 3x

Reorder the terms:
12 + -21 + 7x = -8(3 + -1x) + 3x

Combine like terms: 12 + -21 = -9
-9 + 7x = -8(3 + -1x) + 3x
-9 + 7x = (3 * -8 + -1x * -8) + 3x
-9 + 7x = (-24 + 8x) + 3x

Combine like terms: 8x + 3x = 11x
-9 + 7x = -24 + 11x

Solving
-9 + 7x = -24 + 11x

Solving for variable 'x'.

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

Add '-11x' to each side of the equation.
-9 + 7x + -11x = -24 + 11x + -11x

Combine like terms: 7x + -11x = -4x
-9 + -4x = -24 + 11x + -11x

Combine like terms: 11x + -11x = 0
-9 + -4x = -24 + 0
-9 + -4x = -24

Add '9' to each side of the equation.
-9 + 9 + -4x = -24 + 9

Combine like terms: -9 + 9 = 0
0 + -4x = -24 + 9
-4x = -24 + 9

Combine like terms: -24 + 9 = -15
-4x = -15

Divide each side by '-4'.
x = 3.75

Simplifying
x = 3.75

See similar equations:

| 5cos^2-3cosx=2 | | 2.5x=37.5 | | 6(8x+5)=48x-1 | | 2.7x=37.5 | | 4x+31x-5=7(5x+9) | | 11(3x-8)=88x | | 4x+x+6=11x-6x | | 5X+12=7X-26 | | 2(4x+3)=11x+3-3x+3 | | 7x+19x-5=7(4x+7) | | (6x+2)(3x-8)=x(4x+17) | | 3X-7=2X-14 | | -4x-(-10.5)=2.7 | | 3x+12-4=0 | | 2x-13=5x-28 | | t=7+4h | | y=-4x^2-2116 | | 3x+9=x+14 | | 10cx+7b=4cx+d | | 7x-7=2x+33 | | 8x-9=3x+41 | | 0.08*x=13.6 | | 16X-(8X-2)=66 | | 8*sin(2x)+5=0 | | 20=5(3+x) | | 21x-x^2=0 | | 4x+33=2x+15 | | 3*Ix-4I=10 | | X=-112+8 | | 2a-3b+4c=21 | | 2x+1=2x-9 | | X+16=8(x-12) |

Equations solver categories