(5x-12)+(2x+39)+90=180

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Solution for (5x-12)+(2x+39)+90=180 equation:


Simplifying
(5x + -12) + (2x + 39) + 90 = 180

Reorder the terms:
(-12 + 5x) + (2x + 39) + 90 = 180

Remove parenthesis around (-12 + 5x)
-12 + 5x + (2x + 39) + 90 = 180

Reorder the terms:
-12 + 5x + (39 + 2x) + 90 = 180

Remove parenthesis around (39 + 2x)
-12 + 5x + 39 + 2x + 90 = 180

Reorder the terms:
-12 + 39 + 90 + 5x + 2x = 180

Combine like terms: -12 + 39 = 27
27 + 90 + 5x + 2x = 180

Combine like terms: 27 + 90 = 117
117 + 5x + 2x = 180

Combine like terms: 5x + 2x = 7x
117 + 7x = 180

Solving
117 + 7x = 180

Solving for variable 'x'.

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

Add '-117' to each side of the equation.
117 + -117 + 7x = 180 + -117

Combine like terms: 117 + -117 = 0
0 + 7x = 180 + -117
7x = 180 + -117

Combine like terms: 180 + -117 = 63
7x = 63

Divide each side by '7'.
x = 9

Simplifying
x = 9

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