X+x+20=

Solution for X+x+20= equation:

Simplifying
X + x + 20 = 0

Reorder the terms:
20 + X + x = 0

Solving
20 + X + 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 + X + -20 + x = 0 + -20

Reorder the terms:
20 + -20 + X + x = 0 + -20

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

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

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

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

Simplifying
X = -20 + -1x