(3x-15)+x=180

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Solution for (3x-15)+x=180 equation:


Simplifying
(3x + -15) + x = 180

Reorder the terms:
(-15 + 3x) + x = 180

Remove parenthesis around (-15 + 3x)
-15 + 3x + x = 180

Combine like terms: 3x + x = 4x
-15 + 4x = 180

Solving
-15 + 4x = 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 + 4x = 180 + 15

Combine like terms: -15 + 15 = 0
0 + 4x = 180 + 15
4x = 180 + 15

Combine like terms: 180 + 15 = 195
4x = 195

Divide each side by '4'.
x = 48.75

Simplifying
x = 48.75

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