-20a-80=0.15

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Solution for -20a-80=0.15 equation: 


Simplifying
-20a + -80 = 0.15

Reorder the terms:
-80 + -20a = 0.15

Solving
-80 + -20a = 0.15

Solving for variable 'a'.

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

Add '80' to each side of the equation.
-80 + 80 + -20a = 0.15 + 80

Combine like terms: -80 + 80 = 0
0 + -20a = 0.15 + 80
-20a = 0.15 + 80

Combine like terms: 0.15 + 80 = 80.15
-20a = 80.15

Divide each side by '-20'.
a = -4.0075

Simplifying
a = -4.0075

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