100-x=20

Simple and best practice solution for 100-x=20 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 100-x=20 equation: 


Simplifying
100 + -1x = 20

Solving
100 + -1x = 20

Solving for variable 'x'.

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

Add '-100' to each side of the equation.
100 + -100 + -1x = 20 + -100

Combine like terms: 100 + -100 = 0
0 + -1x = 20 + -100
-1x = 20 + -100

Combine like terms: 20 + -100 = -80
-1x = -80

Divide each side by '-1'.
x = 80

Simplifying
x = 80

See similar equations:

| X+3=-x+9 | | X-10-2x+7=8+x-10-3x | | -3q^2-6q+299=0 | | 1/3.-11/15 | | 8x^3=16 | | 2x-2=9x-42 | | 24/6=8n | | 11x+26=3x+130 | | y=(3*5)-x | | y=3*5-x | | 2x-4=6x+18 | | -2a^2+6ab-4b^2= | | 14=2v+6 | | 10x+15y=49 | | 8x^2+14xy-4y^2= | | y=6+13t+.5*-9.81*t^2 | | 3+5p=3 | | (Y+9X-5)*2=50 | | 4x^2-36x-0= | | 5/9x7/3 | | (Y+9X-5)*2=100 | | x^2+4x-0= | | 2-3w=11 | | Y*7-X/3=YX | | 2xy(-6y)= | | 4x-y+2=2x+12-y | | 3(f-10)=-15 | | 15+g=20 | | t+14=21 | | 10(s-6)=-161 | | x-2/3=82/5 | | 4x^2-15x+32=0 |

Equations solver categories