42=2x-12

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Solution for 42=2x-12 equation:


Simplifying
42 = 2x + -12

Reorder the terms:
42 = -12 + 2x

Solving
42 = -12 + 2x

Solving for variable 'x'.

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

Add '-2x' to each side of the equation.
42 + -2x = -12 + 2x + -2x

Combine like terms: 2x + -2x = 0
42 + -2x = -12 + 0
42 + -2x = -12

Add '-42' to each side of the equation.
42 + -42 + -2x = -12 + -42

Combine like terms: 42 + -42 = 0
0 + -2x = -12 + -42
-2x = -12 + -42

Combine like terms: -12 + -42 = -54
-2x = -54

Divide each side by '-2'.
x = 27

Simplifying
x = 27

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