7x+12=138

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Solution for 7x+12=138 equation: 


Simplifying
7x + 12 = 138

Reorder the terms:
12 + 7x = 138

Solving
12 + 7x = 138

Solving for variable 'x'.

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

Add '-12' to each side of the equation.
12 + -12 + 7x = 138 + -12

Combine like terms: 12 + -12 = 0
0 + 7x = 138 + -12
7x = 138 + -12

Combine like terms: 138 + -12 = 126
7x = 126

Divide each side by '7'.
x = 18

Simplifying
x = 18

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