30+9x=12

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Solution for 30+9x=12 equation: 


Simplifying
30 + 9x = 12

Solving
30 + 9x = 12

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 + 9x = 12 + -30

Combine like terms: 30 + -30 = 0
0 + 9x = 12 + -30
9x = 12 + -30

Combine like terms: 12 + -30 = -18
9x = -18

Divide each side by '9'.
x = -2

Simplifying
x = -2

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