(x+15)+(2x+45)=180

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Solution for (x+15)+(2x+45)=180 equation:


Simplifying
(x + 15) + (2x + 45) = 180

Reorder the terms:
(15 + x) + (2x + 45) = 180

Remove parenthesis around (15 + x)
15 + x + (2x + 45) = 180

Reorder the terms:
15 + x + (45 + 2x) = 180

Remove parenthesis around (45 + 2x)
15 + x + 45 + 2x = 180

Reorder the terms:
15 + 45 + x + 2x = 180

Combine like terms: 15 + 45 = 60
60 + x + 2x = 180

Combine like terms: x + 2x = 3x
60 + 3x = 180

Solving
60 + 3x = 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 + 3x = 180 + -60

Combine like terms: 60 + -60 = 0
0 + 3x = 180 + -60
3x = 180 + -60

Combine like terms: 180 + -60 = 120
3x = 120

Divide each side by '3'.
x = 40

Simplifying
x = 40

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