8-b=5(b+4)

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Solution for 8-b=5(b+4) equation:


Simplifying
8 + -1b = 5(b + 4)

Reorder the terms:
8 + -1b = 5(4 + b)
8 + -1b = (4 * 5 + b * 5)
8 + -1b = (20 + 5b)

Solving
8 + -1b = 20 + 5b

Solving for variable 'b'.

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

Add '-5b' to each side of the equation.
8 + -1b + -5b = 20 + 5b + -5b

Combine like terms: -1b + -5b = -6b
8 + -6b = 20 + 5b + -5b

Combine like terms: 5b + -5b = 0
8 + -6b = 20 + 0
8 + -6b = 20

Add '-8' to each side of the equation.
8 + -8 + -6b = 20 + -8

Combine like terms: 8 + -8 = 0
0 + -6b = 20 + -8
-6b = 20 + -8

Combine like terms: 20 + -8 = 12
-6b = 12

Divide each side by '-6'.
b = -2

Simplifying
b = -2

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