-a-2+8=2a-12

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Solution for -a-2+8=2a-12 equation:


Simplifying
-1a + -2 + 8 = 2a + -12

Reorder the terms:
-2 + 8 + -1a = 2a + -12

Combine like terms: -2 + 8 = 6
6 + -1a = 2a + -12

Reorder the terms:
6 + -1a = -12 + 2a

Solving
6 + -1a = -12 + 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.
6 + -1a + -2a = -12 + 2a + -2a

Combine like terms: -1a + -2a = -3a
6 + -3a = -12 + 2a + -2a

Combine like terms: 2a + -2a = 0
6 + -3a = -12 + 0
6 + -3a = -12

Add '-6' to each side of the equation.
6 + -6 + -3a = -12 + -6

Combine like terms: 6 + -6 = 0
0 + -3a = -12 + -6
-3a = -12 + -6

Combine like terms: -12 + -6 = -18
-3a = -18

Divide each side by '-3'.
a = 6

Simplifying
a = 6

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