x+x*2+90=180

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Solution for x+x*2+90=180 equation:


Simplifying
x + x * 2 + 90 = 180

Reorder the terms for easier multiplication:
x + 2x + 90 = 180

Reorder the terms:
90 + x + 2x = 180

Combine like terms: x + 2x = 3x
90 + 3x = 180

Solving
90 + 3x = 180

Solving for variable 'x'.

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

Add '-90' to each side of the equation.
90 + -90 + 3x = 180 + -90

Combine like terms: 90 + -90 = 0
0 + 3x = 180 + -90
3x = 180 + -90

Combine like terms: 180 + -90 = 90
3x = 90

Divide each side by '3'.
x = 30

Simplifying
x = 30

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