15x-8x=21

Simple and best practice solution for 15x-8x=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 15x-8x=21 equation: 


Simplifying
15x + -8x = 21

Combine like terms: 15x + -8x = 7x
7x = 21

Solving
7x = 21

Solving for variable 'x'.

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

Divide each side by '7'.
x = 3

Simplifying
x = 3

See similar equations:

| y=-0.625x+35.625 | | .1c=-8 | | 1200+290d=3230 | | -4x^2-10x-6=0 | | 2x^3+2x^2y-12xy^2= | | -5z+32=3z | | -5x+40=-6X-70 | | 2/3(5x+1)=3(4-4x)+4 | | x-9=8x-37 | | 1x=209 | | y-18=12 | | 2.2-13=5.1-27.9 | | 2x=-17x+3 | | 2(n+30)=14n | | 4x+8=88 | | 12/4*9= | | 6x+9=104-4x | | -7x+6=1 | | 3g+7=38 | | 15x+10x+10x+10=60 | | 6x+9=104-5x | | 2g+7=38 | | 2x+7/8=3x-7/8 | | 2b-7=29 | | 6a+4a+13=5+4a+2 | | 18xy-9y= | | 16(c-8)=70 | | -3x-13=5x+11 | | 3(r-8)=9(r+2)-17 | | 6x-6=6(x-3) | | 1/2(x+2)=1/6(3x+6) | | -y+4=-17 |

Equations solver categories