-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 = 62
-2x = 62

Divide each side by '-2'.
x = -31

Simplifying
x = -31

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