x^2+x-20=x^2

Solution for x^2+x-20=x^2 equation:

Simplifying
x2 + x + -20 = x2

Reorder the terms:
-20 + x + x2 = x2

Add '-1x2' to each side of the equation.
-20 + x + x2 + -1x2 = x2 + -1x2

Combine like terms: x2 + -1x2 = 0
-20 + x + 0 = x2 + -1x2
-20 + x = x2 + -1x2

Combine like terms: x2 + -1x2 = 0
-20 + x = 0

Solving
-20 + x = 0

Solving for variable 'x'.

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

Add '20' to each side of the equation.
-20 + 20 + x = 0 + 20

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

Combine like terms: 0 + 20 = 20
x = 20

Simplifying
x = 20