-20=a-8

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Solution for -20=a-8 equation:


Simplifying
-20 = a + -8

Reorder the terms:
-20 = -8 + a

Solving
-20 = -8 + a

Solving for variable 'a'.

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

Add '-1a' to each side of the equation.
-20 + -1a = -8 + a + -1a

Combine like terms: a + -1a = 0
-20 + -1a = -8 + 0
-20 + -1a = -8

Add '20' to each side of the equation.
-20 + 20 + -1a = -8 + 20

Combine like terms: -20 + 20 = 0
0 + -1a = -8 + 20
-1a = -8 + 20

Combine like terms: -8 + 20 = 12
-1a = 12

Divide each side by '-1'.
a = -12

Simplifying
a = -12

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