45+90+x+15=180

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Solution for 45+90+x+15=180 equation:


Simplifying
45 + 90 + x + 15 = 180

Reorder the terms:
45 + 90 + 15 + x = 180

Combine like terms: 45 + 90 = 135
135 + 15 + x = 180

Combine like terms: 135 + 15 = 150
150 + x = 180

Solving
150 + x = 180

Solving for variable 'x'.

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

Add '-150' to each side of the equation.
150 + -150 + x = 180 + -150

Combine like terms: 150 + -150 = 0
0 + x = 180 + -150
x = 180 + -150

Combine like terms: 180 + -150 = 30
x = 30

Simplifying
x = 30

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