(9x-12)+(2y+5)=180

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Solution for (9x-12)+(2y+5)=180 equation: 


Simplifying
(9x + -12) + (2y + 5) = 180

Reorder the terms:
(-12 + 9x) + (2y + 5) = 180

Remove parenthesis around (-12 + 9x)
-12 + 9x + (2y + 5) = 180

Reorder the terms:
-12 + 9x + (5 + 2y) = 180

Remove parenthesis around (5 + 2y)
-12 + 9x + 5 + 2y = 180

Reorder the terms:
-12 + 5 + 9x + 2y = 180

Combine like terms: -12 + 5 = -7
-7 + 9x + 2y = 180

Solving
-7 + 9x + 2y = 180

Solving for variable 'x'.

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

Add '7' to each side of the equation.
-7 + 9x + 7 + 2y = 180 + 7

Reorder the terms:
-7 + 7 + 9x + 2y = 180 + 7

Combine like terms: -7 + 7 = 0
0 + 9x + 2y = 180 + 7
9x + 2y = 180 + 7

Combine like terms: 180 + 7 = 187
9x + 2y = 187

Add '-2y' to each side of the equation.
9x + 2y + -2y = 187 + -2y

Combine like terms: 2y + -2y = 0
9x + 0 = 187 + -2y
9x = 187 + -2y

Divide each side by '9'.
x = 20.77777778 + -0.2222222222y

Simplifying
x = 20.77777778 + -0.2222222222y

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