87-4x=7x+21

Simple and best practice solution for 87-4x=7x+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 87-4x=7x+21 equation:


Simplifying
87 + -4x = 7x + 21

Reorder the terms:
87 + -4x = 21 + 7x

Solving
87 + -4x = 21 + 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.
87 + -4x + -7x = 21 + 7x + -7x

Combine like terms: -4x + -7x = -11x
87 + -11x = 21 + 7x + -7x

Combine like terms: 7x + -7x = 0
87 + -11x = 21 + 0
87 + -11x = 21

Add '-87' to each side of the equation.
87 + -87 + -11x = 21 + -87

Combine like terms: 87 + -87 = 0
0 + -11x = 21 + -87
-11x = 21 + -87

Combine like terms: 21 + -87 = -66
-11x = -66

Divide each side by '-11'.
x = 6

Simplifying
x = 6

See similar equations:

| 6x^2+12x+36=0 | | 12(2y-5)=39 | | 2x+1.2=6.6 | | 6x+8=85-5x | | 78+6x=2(67-4x) | | 4x-24=0 | | -7s+2=-14.8 | | 2d-4+5d=-18 | | 3x=5x | | 6=1+11 | | 22x-84y=12 | | 2(n+5)= | | 7W+1=8W+1 | | 4x+19=6x+9 | | 99-2x=5x+15 | | -7x=126 | | 1-6x=10-7x | | 3x+21=12x-78 | | -9x-8=-4x+2 | | 3x+11=83-5x | | 2x+10=2(x+5) | | 3(6x+18)=72 | | 5x-13=7x+5 | | 49+2x=x+79 | | 3(2a+2)=2(3a+3) | | 10x-13=7x+5 | | y^4-81j= | | 8+6n=-12 | | 10x+9=5x+39 | | 8x=10x | | 3=3(x+4) | | 2(5x+25)=20 |

Equations solver categories