x+x-18=90

Simple and best practice solution for x+x-18=90 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 x+x-18=90 equation:


Simplifying
x + x + -18 = 90

Reorder the terms:
-18 + x + x = 90

Combine like terms: x + x = 2x
-18 + 2x = 90

Solving
-18 + 2x = 90

Solving for variable 'x'.

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

Add '18' to each side of the equation.
-18 + 18 + 2x = 90 + 18

Combine like terms: -18 + 18 = 0
0 + 2x = 90 + 18
2x = 90 + 18

Combine like terms: 90 + 18 = 108
2x = 108

Divide each side by '2'.
x = 54

Simplifying
x = 54

See similar equations:

| -3s-8=5s | | y^2+20y+10=0 | | -(3z+4)=6z-3(3z+4) | | 16-4x=-7x+10 | | 4x+4=12+3x | | 10(7.25)+x(5.50)=105.50 | | x+(x+9)=32 | | 5(y-4)/3=-2y | | -10x=14 | | -10x=10 | | -3(6-n)=-23+8n | | 6x-7=7-4x+12 | | 5x-6=3x+26 | | 3x+45= | | 3z+1/9=4z+4/9 | | 2x+9=2x+9 | | 3x^2-10x-5=0 | | 5(42)= | | .83x-.6=1 | | y=5*1-3*1+7+2-15-2*1+4+1 | | 6x+4-2x=2x-4 | | 8x+9=9+8x | | 3(4c-7)-4(42-1)=0 | | 1.5x+10=-.5 | | .30+375=1225 | | 7f-24= | | 2x-4x-14=-2x+9-14 | | 7y+5=4y+14 | | x+6=9x | | 5(x+2)+3=2x+3(4+x) | | 2z+9.75-7z=15.5 | | 10x-5=30x+11 |

Equations solver categories