9a-12=5a+12

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Solution for 9a-12=5a+12 equation:


Simplifying
9a + -12 = 5a + 12

Reorder the terms:
-12 + 9a = 5a + 12

Reorder the terms:
-12 + 9a = 12 + 5a

Solving
-12 + 9a = 12 + 5a

Solving for variable 'a'.

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

Add '-5a' to each side of the equation.
-12 + 9a + -5a = 12 + 5a + -5a

Combine like terms: 9a + -5a = 4a
-12 + 4a = 12 + 5a + -5a

Combine like terms: 5a + -5a = 0
-12 + 4a = 12 + 0
-12 + 4a = 12

Add '12' to each side of the equation.
-12 + 12 + 4a = 12 + 12

Combine like terms: -12 + 12 = 0
0 + 4a = 12 + 12
4a = 12 + 12

Combine like terms: 12 + 12 = 24
4a = 24

Divide each side by '4'.
a = 6

Simplifying
a = 6

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