-18=9a-9

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Solution for -18=9a-9 equation:


Simplifying
-18 = 9a + -9

Reorder the terms:
-18 = -9 + 9a

Solving
-18 = -9 + 9a

Solving for variable 'a'.

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

Add '-9a' to each side of the equation.
-18 + -9a = -9 + 9a + -9a

Combine like terms: 9a + -9a = 0
-18 + -9a = -9 + 0
-18 + -9a = -9

Add '18' to each side of the equation.
-18 + 18 + -9a = -9 + 18

Combine like terms: -18 + 18 = 0
0 + -9a = -9 + 18
-9a = -9 + 18

Combine like terms: -9 + 18 = 9
-9a = 9

Divide each side by '-9'.
a = -1

Simplifying
a = -1

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