6a+12=9a

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Solution for 6a+12=9a equation:


Simplifying
6a + 12 = 9a

Reorder the terms:
12 + 6a = 9a

Solving
12 + 6a = 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.
12 + 6a + -9a = 9a + -9a

Combine like terms: 6a + -9a = -3a
12 + -3a = 9a + -9a

Combine like terms: 9a + -9a = 0
12 + -3a = 0

Add '-12' to each side of the equation.
12 + -12 + -3a = 0 + -12

Combine like terms: 12 + -12 = 0
0 + -3a = 0 + -12
-3a = 0 + -12

Combine like terms: 0 + -12 = -12
-3a = -12

Divide each side by '-3'.
a = 4

Simplifying
a = 4

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