(2x-30)+(x+15)=180

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Solution for (2x-30)+(x+15)=180 equation:


Simplifying
(2x + -30) + (x + 15) = 180

Reorder the terms:
(-30 + 2x) + (x + 15) = 180

Remove parenthesis around (-30 + 2x)
-30 + 2x + (x + 15) = 180

Reorder the terms:
-30 + 2x + (15 + x) = 180

Remove parenthesis around (15 + x)
-30 + 2x + 15 + x = 180

Reorder the terms:
-30 + 15 + 2x + x = 180

Combine like terms: -30 + 15 = -15
-15 + 2x + x = 180

Combine like terms: 2x + x = 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 = 195
3x = 195

Divide each side by '3'.
x = 65

Simplifying
x = 65

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