-117=-9a

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Solution for -117=-9a equation:


Simplifying
-117 = -9a

Solving
-117 = -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.
-117 + 9a = -9a + 9a

Combine like terms: -9a + 9a = 0
-117 + 9a = 0

Add '117' to each side of the equation.
-117 + 117 + 9a = 0 + 117

Combine like terms: -117 + 117 = 0
0 + 9a = 0 + 117
9a = 0 + 117

Combine like terms: 0 + 117 = 117
9a = 117

Divide each side by '9'.
a = 13

Simplifying
a = 13

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