(x+20)+(2x-5)=180

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Solution for (x+20)+(2x-5)=180 equation:


Simplifying
(x + 20) + (2x + -5) = 180

Reorder the terms:
(20 + x) + (2x + -5) = 180

Remove parenthesis around (20 + x)
20 + x + (2x + -5) = 180

Reorder the terms:
20 + x + (-5 + 2x) = 180

Remove parenthesis around (-5 + 2x)
20 + x + -5 + 2x = 180

Reorder the terms:
20 + -5 + x + 2x = 180

Combine like terms: 20 + -5 = 15
15 + x + 2x = 180

Combine like terms: x + 2x = 3x
15 + 3x = 180

Solving
15 + 3x = 180

Solving for variable 'x'.

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

Add '-15' to each side of the equation.
15 + -15 + 3x = 180 + -15

Combine like terms: 15 + -15 = 0
0 + 3x = 180 + -15
3x = 180 + -15

Combine like terms: 180 + -15 = 165
3x = 165

Divide each side by '3'.
x = 55

Simplifying
x = 55

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