12a-18=180

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Solution for 12a-18=180 equation: 


Simplifying
12a + -18 = 180

Reorder the terms:
-18 + 12a = 180

Solving
-18 + 12a = 180

Solving for variable 'a'.

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

Add '18' to each side of the equation.
-18 + 18 + 12a = 180 + 18

Combine like terms: -18 + 18 = 0
0 + 12a = 180 + 18
12a = 180 + 18

Combine like terms: 180 + 18 = 198
12a = 198

Divide each side by '12'.
a = 16.5

Simplifying
a = 16.5

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