5x+5+7x+7=120

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Solution for 5x+5+7x+7=120 equation:


Simplifying
5x + 5 + 7x + 7 = 120

Reorder the terms:
5 + 7 + 5x + 7x = 120

Combine like terms: 5 + 7 = 12
12 + 5x + 7x = 120

Combine like terms: 5x + 7x = 12x
12 + 12x = 120

Solving
12 + 12x = 120

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 + 12x = 120 + -12

Combine like terms: 12 + -12 = 0
0 + 12x = 120 + -12
12x = 120 + -12

Combine like terms: 120 + -12 = 108
12x = 108

Divide each side by '12'.
x = 9

Simplifying
x = 9

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