90-x=7x

Simple and best practice solution for 90-x=7x 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 90-x=7x equation:


Simplifying
90 + -1x = 7x

Solving
90 + -1x = 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.
90 + -1x + -7x = 7x + -7x

Combine like terms: -1x + -7x = -8x
90 + -8x = 7x + -7x

Combine like terms: 7x + -7x = 0
90 + -8x = 0

Add '-90' to each side of the equation.
90 + -90 + -8x = 0 + -90

Combine like terms: 90 + -90 = 0
0 + -8x = 0 + -90
-8x = 0 + -90

Combine like terms: 0 + -90 = -90
-8x = -90

Divide each side by '-8'.
x = 11.25

Simplifying
x = 11.25

See similar equations:

| 4x^2+2.6x+1=0 | | 40-x=5x | | -5y=-15/14 | | 2+5*20= | | F(x)=3x^2+9x+12 | | -10=2/7x | | 3t+3=5t | | 216=mx+b | | 3+2p=-7 | | 2=-2(f+5) | | -5+5n=-5 | | 9=-9(s-2) | | (5+7)=54 | | F(x)=5x^2+15x+10 | | 5+3r=11 | | 7=-8(v+1) | | (7+5)-(8-3)= | | 20=(x+3)*(x+x) | | 2x+7=8-3x | | 1/3(2x-3)=3/4(-4x) | | n+61=99 | | 24-6+2= | | 9=3(5b-2) | | 3p+4q=7 | | .15(7+s)=5.55 | | 7x/100=56 | | 5(x+7)=3 | | 1/2(2/5)^y=4/125 | | 4x+7+3x-8=90 | | 2x+x=x-4 | | 20m-4m=2m+8 | | 1.2x+3y=11 |

Equations solver categories