-9a-12=4a-8

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Solution for -9a-12=4a-8 equation:


Simplifying
-9a + -12 = 4a + -8

Reorder the terms:
-12 + -9a = 4a + -8

Reorder the terms:
-12 + -9a = -8 + 4a

Solving
-12 + -9a = -8 + 4a

Solving for variable 'a'.

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

Add '-4a' to each side of the equation.
-12 + -9a + -4a = -8 + 4a + -4a

Combine like terms: -9a + -4a = -13a
-12 + -13a = -8 + 4a + -4a

Combine like terms: 4a + -4a = 0
-12 + -13a = -8 + 0
-12 + -13a = -8

Add '12' to each side of the equation.
-12 + 12 + -13a = -8 + 12

Combine like terms: -12 + 12 = 0
0 + -13a = -8 + 12
-13a = -8 + 12

Combine like terms: -8 + 12 = 4
-13a = 4

Divide each side by '-13'.
a = -0.3076923077

Simplifying
a = -0.3076923077

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