9a-3a-12=(-36)+3a

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Solution for 9a-3a-12=(-36)+3a equation:


Simplifying
9a + -3a + -12 = (-36) + 3a

Reorder the terms:
-12 + 9a + -3a = (-36) + 3a

Combine like terms: 9a + -3a = 6a
-12 + 6a = (-36) + 3a
-12 + 6a = -36 + 3a

Solving
-12 + 6a = -36 + 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 + 6a + -3a = -36 + 3a + -3a

Combine like terms: 6a + -3a = 3a
-12 + 3a = -36 + 3a + -3a

Combine like terms: 3a + -3a = 0
-12 + 3a = -36 + 0
-12 + 3a = -36

Add '12' to each side of the equation.
-12 + 12 + 3a = -36 + 12

Combine like terms: -12 + 12 = 0
0 + 3a = -36 + 12
3a = -36 + 12

Combine like terms: -36 + 12 = -24
3a = -24

Divide each side by '3'.
a = -8

Simplifying
a = -8

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