12a-123=117

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Solution for 12a-123=117 equation: 


Simplifying
12a + -123 = 117

Reorder the terms:
-123 + 12a = 117

Solving
-123 + 12a = 117

Solving for variable 'a'.

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

Add '123' to each side of the equation.
-123 + 123 + 12a = 117 + 123

Combine like terms: -123 + 123 = 0
0 + 12a = 117 + 123
12a = 117 + 123

Combine like terms: 117 + 123 = 240
12a = 240

Divide each side by '12'.
a = 20

Simplifying
a = 20

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