120=-8a

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Solution for 120=-8a equation:


Simplifying
120 = -8a

Solving
120 = -8a

Solving for variable 'a'.

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

Add '8a' to each side of the equation.
120 + 8a = -8a + 8a

Combine like terms: -8a + 8a = 0
120 + 8a = 0

Add '-120' to each side of the equation.
120 + -120 + 8a = 0 + -120

Combine like terms: 120 + -120 = 0
0 + 8a = 0 + -120
8a = 0 + -120

Combine like terms: 0 + -120 = -120
8a = -120

Divide each side by '8'.
a = -15

Simplifying
a = -15

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