(x+15)+(x+42)+89=180

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Solution for (x+15)+(x+42)+89=180 equation:


Simplifying
(x + 15) + (x + 42) + 89 = 180

Reorder the terms:
(15 + x) + (x + 42) + 89 = 180

Remove parenthesis around (15 + x)
15 + x + (x + 42) + 89 = 180

Reorder the terms:
15 + x + (42 + x) + 89 = 180

Remove parenthesis around (42 + x)
15 + x + 42 + x + 89 = 180

Reorder the terms:
15 + 42 + 89 + x + x = 180

Combine like terms: 15 + 42 = 57
57 + 89 + x + x = 180

Combine like terms: 57 + 89 = 146
146 + x + x = 180

Combine like terms: x + x = 2x
146 + 2x = 180

Solving
146 + 2x = 180

Solving for variable 'x'.

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

Add '-146' to each side of the equation.
146 + -146 + 2x = 180 + -146

Combine like terms: 146 + -146 = 0
0 + 2x = 180 + -146
2x = 180 + -146

Combine like terms: 180 + -146 = 34
2x = 34

Divide each side by '2'.
x = 17

Simplifying
x = 17

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