5x+20=4x-20

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Solution for 5x+20=4x-20 equation:


Simplifying
5x + 20 = 4x + -20

Reorder the terms:
20 + 5x = 4x + -20

Reorder the terms:
20 + 5x = -20 + 4x

Solving
20 + 5x = -20 + 4x

Solving for variable 'x'.

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

Add '-4x' to each side of the equation.
20 + 5x + -4x = -20 + 4x + -4x

Combine like terms: 5x + -4x = 1x
20 + 1x = -20 + 4x + -4x

Combine like terms: 4x + -4x = 0
20 + 1x = -20 + 0
20 + 1x = -20

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

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

Combine like terms: -20 + -20 = -40
1x = -40

Divide each side by '1'.
x = -40

Simplifying
x = -40

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