-80=-4a

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Solution for -80=-4a equation:


Simplifying
-80 = -4a

Solving
-80 = -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.
-80 + 4a = -4a + 4a

Combine like terms: -4a + 4a = 0
-80 + 4a = 0

Add '80' to each side of the equation.
-80 + 80 + 4a = 0 + 80

Combine like terms: -80 + 80 = 0
0 + 4a = 0 + 80
4a = 0 + 80

Combine like terms: 0 + 80 = 80
4a = 80

Divide each side by '4'.
a = 20

Simplifying
a = 20

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