42-3x=20+8x

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Solution for 42-3x=20+8x equation:


Simplifying
42 + -3x = 20 + 8x

Solving
42 + -3x = 20 + 8x

Solving for variable 'x'.

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

Add '-8x' to each side of the equation.
42 + -3x + -8x = 20 + 8x + -8x

Combine like terms: -3x + -8x = -11x
42 + -11x = 20 + 8x + -8x

Combine like terms: 8x + -8x = 0
42 + -11x = 20 + 0
42 + -11x = 20

Add '-42' to each side of the equation.
42 + -42 + -11x = 20 + -42

Combine like terms: 42 + -42 = 0
0 + -11x = 20 + -42
-11x = 20 + -42

Combine like terms: 20 + -42 = -22
-11x = -22

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

Simplifying
x = 2

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