-4a+12+8a=3a-5a

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Solution for -4a+12+8a=3a-5a equation:


Simplifying
-4a + 12 + 8a = 3a + -5a

Reorder the terms:
12 + -4a + 8a = 3a + -5a

Combine like terms: -4a + 8a = 4a
12 + 4a = 3a + -5a

Combine like terms: 3a + -5a = -2a
12 + 4a = -2a

Solving
12 + 4a = -2a

Solving for variable 'a'.

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

Add '2a' to each side of the equation.
12 + 4a + 2a = -2a + 2a

Combine like terms: 4a + 2a = 6a
12 + 6a = -2a + 2a

Combine like terms: -2a + 2a = 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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