8b+4=(b-7)

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Solution for 8b+4=(b-7) equation:


Simplifying
8b + 4 = (b + -7)

Reorder the terms:
4 + 8b = (b + -7)

Reorder the terms:
4 + 8b = (-7 + b)

Remove parenthesis around (-7 + b)
4 + 8b = -7 + b

Solving
4 + 8b = -7 + b

Solving for variable 'b'.

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

Add '-1b' to each side of the equation.
4 + 8b + -1b = -7 + b + -1b

Combine like terms: 8b + -1b = 7b
4 + 7b = -7 + b + -1b

Combine like terms: b + -1b = 0
4 + 7b = -7 + 0
4 + 7b = -7

Add '-4' to each side of the equation.
4 + -4 + 7b = -7 + -4

Combine like terms: 4 + -4 = 0
0 + 7b = -7 + -4
7b = -7 + -4

Combine like terms: -7 + -4 = -11
7b = -11

Divide each side by '7'.
b = -1.571428571

Simplifying
b = -1.571428571

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