(x+9)+(x+2)+(x-7)=180

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Solution for (x+9)+(x+2)+(x-7)=180 equation: 


Simplifying
(x + 9) + (x + 2) + (x + -7) = 180

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

Remove parenthesis around (9 + x)
9 + x + (x + 2) + (x + -7) = 180

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

Remove parenthesis around (2 + x)
9 + x + 2 + x + (x + -7) = 180

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

Remove parenthesis around (-7 + x)
9 + x + 2 + x + -7 + x = 180

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

Combine like terms: 9 + 2 = 11
11 + -7 + x + x + x = 180

Combine like terms: 11 + -7 = 4
4 + x + x + x = 180

Combine like terms: x + x = 2x
4 + 2x + x = 180

Combine like terms: 2x + x = 3x
4 + 3x = 180

Solving
4 + 3x = 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 + 3x = 180 + -4

Combine like terms: 4 + -4 = 0
0 + 3x = 180 + -4
3x = 180 + -4

Combine like terms: 180 + -4 = 176
3x = 176

Divide each side by '3'.
x = 58.66666667

Simplifying
x = 58.66666667

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