-8-5a=12-9a

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Solution for -8-5a=12-9a equation:


Simplifying
-8 + -5a = 12 + -9a

Solving
-8 + -5a = 12 + -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.
-8 + -5a + 9a = 12 + -9a + 9a

Combine like terms: -5a + 9a = 4a
-8 + 4a = 12 + -9a + 9a

Combine like terms: -9a + 9a = 0
-8 + 4a = 12 + 0
-8 + 4a = 12

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

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

Combine like terms: 12 + 8 = 20
4a = 20

Divide each side by '4'.
a = 5

Simplifying
a = 5

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