x+x+15+45=180

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Solution for x+x+15+45=180 equation:


Simplifying
x + x + 15 + 45 = 180

Reorder the terms:
15 + 45 + x + x = 180

Combine like terms: 15 + 45 = 60
60 + x + x = 180

Combine like terms: x + x = 2x
60 + 2x = 180

Solving
60 + 2x = 180

Solving for variable 'x'.

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

Add '-60' to each side of the equation.
60 + -60 + 2x = 180 + -60

Combine like terms: 60 + -60 = 0
0 + 2x = 180 + -60
2x = 180 + -60

Combine like terms: 180 + -60 = 120
2x = 120

Divide each side by '2'.
x = 60

Simplifying
x = 60

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