-b+4=8b-b

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Solution for -b+4=8b-b equation:


Simplifying
-1b + 4 = 8b + -1b

Reorder the terms:
4 + -1b = 8b + -1b

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

Solving
4 + -1b = 7b

Solving for variable 'b'.

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

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

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

Combine like terms: 7b + -7b = 0
4 + -8b = 0

Add '-4' to each side of the equation.
4 + -4 + -8b = 0 + -4

Combine like terms: 4 + -4 = 0
0 + -8b = 0 + -4
-8b = 0 + -4

Combine like terms: 0 + -4 = -4
-8b = -4

Divide each side by '-8'.
b = 0.5

Simplifying
b = 0.5

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