-2x+20=42

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Solution for -2x+20=42 equation: 


Simplifying
-2x + 20 = 42

Reorder the terms:
20 + -2x = 42

Solving
20 + -2x = 42

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 + -2x = 42 + -20

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

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

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

Simplifying
x = -11

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