(x+90)+(x)+(x-15)=180

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Solution for (x+90)+(x)+(x-15)=180 equation: 


Simplifying
(x + 90) + (x) + (x + -15) = 180

Reorder the terms:
(90 + x) + (x) + (x + -15) = 180

Remove parenthesis around (90 + x)
90 + x + (x) + (x + -15) = 180
90 + x + x + (x + -15) = 180

Reorder the terms:
90 + x + x + (-15 + x) = 180

Remove parenthesis around (-15 + x)
90 + x + x + -15 + x = 180

Reorder the terms:
90 + -15 + x + x + x = 180

Combine like terms: 90 + -15 = 75
75 + x + x + x = 180

Combine like terms: x + x = 2x
75 + 2x + x = 180

Combine like terms: 2x + x = 3x
75 + 3x = 180

Solving
75 + 3x = 180

Solving for variable 'x'.

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

Add '-75' to each side of the equation.
75 + -75 + 3x = 180 + -75

Combine like terms: 75 + -75 = 0
0 + 3x = 180 + -75
3x = 180 + -75

Combine like terms: 180 + -75 = 105
3x = 105

Divide each side by '3'.
x = 35

Simplifying
x = 35

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