3(x+4)=7(x-8)

Simple and best practice solution for 3(x+4)=7(x-8) 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 3(x+4)=7(x-8) equation:


Simplifying
3(x + 4) = 7(x + -8)

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

Reorder the terms:
12 + 3x = 7(-8 + x)
12 + 3x = (-8 * 7 + x * 7)
12 + 3x = (-56 + 7x)

Solving
12 + 3x = -56 + 7x

Solving for variable 'x'.

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

Add '-7x' to each side of the equation.
12 + 3x + -7x = -56 + 7x + -7x

Combine like terms: 3x + -7x = -4x
12 + -4x = -56 + 7x + -7x

Combine like terms: 7x + -7x = 0
12 + -4x = -56 + 0
12 + -4x = -56

Add '-12' to each side of the equation.
12 + -12 + -4x = -56 + -12

Combine like terms: 12 + -12 = 0
0 + -4x = -56 + -12
-4x = -56 + -12

Combine like terms: -56 + -12 = -68
-4x = -68

Divide each side by '-4'.
x = 17

Simplifying
x = 17

See similar equations:

| 10(x+6)=5(x-7) | | 1(x+10)=2(x-2) | | 80=(12+2x)+(18+2x)-18*12 | | 11(x+9)=22 | | 10(x+3)=9(x-9) | | 7(x+10)=10(x-8) | | 8(m-7)=24 | | 10y+3=63 | | 10(x+3)=5(x-4) | | 3x-3=8x+9 | | x^2+2x=10-2x | | 5(x+4)=10(x-2) | | 3-18x-(6x-4)=10+3(2+4x) | | -32x+32=25-25x | | 4x+31=-9 | | 7x-10=-3x+20 | | -2=a*x-4x | | h-8=-13 | | 15+c=7 | | -2x/-8x^2 | | 7m-6=36 | | sqrt(x+2)-sqrt(x-6)=2 | | 5.74+2k=9.74 | | 13d+1=7d+31 | | 1.5(b-5.4)=15.3 | | -(0.8-0.2x)=0.2-0.3x | | 9(a+8)=158.4 | | 1.20m=3.5 | | (0.25^(n/2))*(0.75^(n/2)) | | (0.25^n/2)*(0.75^n/2) | | 10x-29=3x+48 | | -79/3y=10 |

Equations solver categories