(X-15)+(X+7)+X=180

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Solution for (X-15)+(X+7)+X=180 equation: 


Simplifying
(X + -15) + (X + 7) + X = 180

Reorder the terms:
(-15 + X) + (X + 7) + X = 180

Remove parenthesis around (-15 + X)
-15 + X + (X + 7) + X = 180

Reorder the terms:
-15 + X + (7 + X) + X = 180

Remove parenthesis around (7 + X)
-15 + X + 7 + X + X = 180

Reorder the terms:
-15 + 7 + X + X + X = 180

Combine like terms: -15 + 7 = -8
-8 + X + X + X = 180

Combine like terms: X + X = 2X
-8 + 2X + X = 180

Combine like terms: 2X + X = 3X
-8 + 3X = 180

Solving
-8 + 3X = 180

Solving for variable 'X'.

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

Add '8' to each side of the equation.
-8 + 8 + 3X = 180 + 8

Combine like terms: -8 + 8 = 0
0 + 3X = 180 + 8
3X = 180 + 8

Combine like terms: 180 + 8 = 188
3X = 188

Divide each side by '3'.
X = 62.66666667

Simplifying
X = 62.66666667

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