120=-8(1+4a)

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Solution for 120=-8(1+4a) equation:


Simplifying
120 = -8(1 + 4a)
120 = (1 * -8 + 4a * -8)
120 = (-8 + -32a)

Solving
120 = -8 + -32a

Solving for variable 'a'.

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

Add '32a' to each side of the equation.
120 + 32a = -8 + -32a + 32a

Combine like terms: -32a + 32a = 0
120 + 32a = -8 + 0
120 + 32a = -8

Add '-120' to each side of the equation.
120 + -120 + 32a = -8 + -120

Combine like terms: 120 + -120 = 0
0 + 32a = -8 + -120
32a = -8 + -120

Combine like terms: -8 + -120 = -128
32a = -128

Divide each side by '32'.
a = -4

Simplifying
a = -4

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