128=-8(-8b+8)

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Solution for 128=-8(-8b+8) equation:


Simplifying
128 = -8(-8b + 8)

Reorder the terms:
128 = -8(8 + -8b)
128 = (8 * -8 + -8b * -8)
128 = (-64 + 64b)

Solving
128 = -64 + 64b

Solving for variable 'b'.

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

Add '-64b' to each side of the equation.
128 + -64b = -64 + 64b + -64b

Combine like terms: 64b + -64b = 0
128 + -64b = -64 + 0
128 + -64b = -64

Add '-128' to each side of the equation.
128 + -128 + -64b = -64 + -128

Combine like terms: 128 + -128 = 0
0 + -64b = -64 + -128
-64b = -64 + -128

Combine like terms: -64 + -128 = -192
-64b = -192

Divide each side by '-64'.
b = 3

Simplifying
b = 3

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