84=-8(b-4)+4

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Solution for 84=-8(b-4)+4 equation:


Simplifying
84 = -8(b + -4) + 4

Reorder the terms:
84 = -8(-4 + b) + 4
84 = (-4 * -8 + b * -8) + 4
84 = (32 + -8b) + 4

Reorder the terms:
84 = 32 + 4 + -8b

Combine like terms: 32 + 4 = 36
84 = 36 + -8b

Solving
84 = 36 + -8b

Solving for variable 'b'.

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

Add '8b' to each side of the equation.
84 + 8b = 36 + -8b + 8b

Combine like terms: -8b + 8b = 0
84 + 8b = 36 + 0
84 + 8b = 36

Add '-84' to each side of the equation.
84 + -84 + 8b = 36 + -84

Combine like terms: 84 + -84 = 0
0 + 8b = 36 + -84
8b = 36 + -84

Combine like terms: 36 + -84 = -48
8b = -48

Divide each side by '8'.
b = -6

Simplifying
b = -6

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