-12-a=-4-2a

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Solution for -12-a=-4-2a equation:


Simplifying
-12 + -1a = -4 + -2a

Solving
-12 + -1a = -4 + -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 + -1a + 2a = -4 + -2a + 2a

Combine like terms: -1a + 2a = 1a
-12 + 1a = -4 + -2a + 2a

Combine like terms: -2a + 2a = 0
-12 + 1a = -4 + 0
-12 + 1a = -4

Add '12' to each side of the equation.
-12 + 12 + 1a = -4 + 12

Combine like terms: -12 + 12 = 0
0 + 1a = -4 + 12
1a = -4 + 12

Combine like terms: -4 + 12 = 8
1a = 8

Divide each side by '1'.
a = 8

Simplifying
a = 8

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