138=5x+7x+6

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Solution for 138=5x+7x+6 equation:


Simplifying
138 = 5x + 7x + 6

Reorder the terms:
138 = 6 + 5x + 7x

Combine like terms: 5x + 7x = 12x
138 = 6 + 12x

Solving
138 = 6 + 12x

Solving for variable 'x'.

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

Add '-12x' to each side of the equation.
138 + -12x = 6 + 12x + -12x

Combine like terms: 12x + -12x = 0
138 + -12x = 6 + 0
138 + -12x = 6

Add '-138' to each side of the equation.
138 + -138 + -12x = 6 + -138

Combine like terms: 138 + -138 = 0
0 + -12x = 6 + -138
-12x = 6 + -138

Combine like terms: 6 + -138 = -132
-12x = -132

Divide each side by '-12'.
x = 11

Simplifying
x = 11

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