-28=12-2a-6a

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Solution for -28=12-2a-6a equation:


Simplifying
-28 = 12 + -2a + -6a

Combine like terms: -2a + -6a = -8a
-28 = 12 + -8a

Solving
-28 = 12 + -8a

Solving for variable 'a'.

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

Add '8a' to each side of the equation.
-28 + 8a = 12 + -8a + 8a

Combine like terms: -8a + 8a = 0
-28 + 8a = 12 + 0
-28 + 8a = 12

Add '28' to each side of the equation.
-28 + 28 + 8a = 12 + 28

Combine like terms: -28 + 28 = 0
0 + 8a = 12 + 28
8a = 12 + 28

Combine like terms: 12 + 28 = 40
8a = 40

Divide each side by '8'.
a = 5

Simplifying
a = 5

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