4x-2x+42=4x+20

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Solution for 4x-2x+42=4x+20 equation:


Simplifying
4x + -2x + 42 = 4x + 20

Reorder the terms:
42 + 4x + -2x = 4x + 20

Combine like terms: 4x + -2x = 2x
42 + 2x = 4x + 20

Reorder the terms:
42 + 2x = 20 + 4x

Solving
42 + 2x = 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.
42 + 2x + -4x = 20 + 4x + -4x

Combine like terms: 2x + -4x = -2x
42 + -2x = 20 + 4x + -4x

Combine like terms: 4x + -4x = 0
42 + -2x = 20 + 0
42 + -2x = 20

Add '-42' to each side of the equation.
42 + -42 + -2x = 20 + -42

Combine like terms: 42 + -42 = 0
0 + -2x = 20 + -42
-2x = 20 + -42

Combine like terms: 20 + -42 = -22
-2x = -22

Divide each side by '-2'.
x = 11

Simplifying
x = 11

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