138=4x-12

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Solution for 138=4x-12 equation:


Simplifying
138 = 4x + -12

Reorder the terms:
138 = -12 + 4x

Solving
138 = -12 + 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.
138 + -4x = -12 + 4x + -4x

Combine like terms: 4x + -4x = 0
138 + -4x = -12 + 0
138 + -4x = -12

Add '-138' to each side of the equation.
138 + -138 + -4x = -12 + -138

Combine like terms: 138 + -138 = 0
0 + -4x = -12 + -138
-4x = -12 + -138

Combine like terms: -12 + -138 = -150
-4x = -150

Divide each side by '-4'.
x = 37.5

Simplifying
x = 37.5

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