7x-138+5x=138

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Solution for 7x-138+5x=138 equation:


Simplifying
7x + -138 + 5x = 138

Reorder the terms:
-138 + 7x + 5x = 138

Combine like terms: 7x + 5x = 12x
-138 + 12x = 138

Solving
-138 + 12x = 138

Solving for variable 'x'.

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

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

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

Combine like terms: 138 + 138 = 276
12x = 276

Divide each side by '12'.
x = 23

Simplifying
x = 23

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