(7x+16)+(9x-12)=180

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Solution for (7x+16)+(9x-12)=180 equation: 


Simplifying
(7x + 16) + (9x + -12) = 180

Reorder the terms:
(16 + 7x) + (9x + -12) = 180

Remove parenthesis around (16 + 7x)
16 + 7x + (9x + -12) = 180

Reorder the terms:
16 + 7x + (-12 + 9x) = 180

Remove parenthesis around (-12 + 9x)
16 + 7x + -12 + 9x = 180

Reorder the terms:
16 + -12 + 7x + 9x = 180

Combine like terms: 16 + -12 = 4
4 + 7x + 9x = 180

Combine like terms: 7x + 9x = 16x
4 + 16x = 180

Solving
4 + 16x = 180

Solving for variable 'x'.

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

Add '-4' to each side of the equation.
4 + -4 + 16x = 180 + -4

Combine like terms: 4 + -4 = 0
0 + 16x = 180 + -4
16x = 180 + -4

Combine like terms: 180 + -4 = 176
16x = 176

Divide each side by '16'.
x = 11

Simplifying
x = 11

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