-8=-2a-2a

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


Simplifying
-8 = -2a + -2a

Combine like terms: -2a + -2a = -4a
-8 = -4a

Solving
-8 = -4a

Solving for variable 'a'.

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

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

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

Add '8' to each side of the equation.
-8 + 8 + 4a = 0 + 8

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

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

Divide each side by '4'.
a = 2

Simplifying
a = 2

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