x-15+x-45=180

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


Simplifying
x + -15 + x + -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 = 240
2x = 240

Divide each side by '2'.
x = 120

Simplifying
x = 120

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