9x+20+3x+10=180

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Solution for 9x+20+3x+10=180 equation:


Simplifying
9x + 20 + 3x + 10 = 180

Reorder the terms:
20 + 10 + 9x + 3x = 180

Combine like terms: 20 + 10 = 30
30 + 9x + 3x = 180

Combine like terms: 9x + 3x = 12x
30 + 12x = 180

Solving
30 + 12x = 180

Solving for variable 'x'.

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

Add '-30' to each side of the equation.
30 + -30 + 12x = 180 + -30

Combine like terms: 30 + -30 = 0
0 + 12x = 180 + -30
12x = 180 + -30

Combine like terms: 180 + -30 = 150
12x = 150

Divide each side by '12'.
x = 12.5

Simplifying
x = 12.5

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