-5a+12+2a=9a-6a

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Solution for -5a+12+2a=9a-6a equation:


Simplifying
-5a + 12 + 2a = 9a + -6a

Reorder the terms:
12 + -5a + 2a = 9a + -6a

Combine like terms: -5a + 2a = -3a
12 + -3a = 9a + -6a

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

Solving
12 + -3a = 3a

Solving for variable 'a'.

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

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

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

Combine like terms: 3a + -3a = 0
12 + -6a = 0

Add '-12' to each side of the equation.
12 + -12 + -6a = 0 + -12

Combine like terms: 12 + -12 = 0
0 + -6a = 0 + -12
-6a = 0 + -12

Combine like terms: 0 + -12 = -12
-6a = -12

Divide each side by '-6'.
a = 2

Simplifying
a = 2

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