5(1+6b)=8(b-4)-7

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Solution for 5(1+6b)=8(b-4)-7 equation:


Simplifying
5(1 + 6b) = 8(b + -4) + -7
(1 * 5 + 6b * 5) = 8(b + -4) + -7
(5 + 30b) = 8(b + -4) + -7

Reorder the terms:
5 + 30b = 8(-4 + b) + -7
5 + 30b = (-4 * 8 + b * 8) + -7
5 + 30b = (-32 + 8b) + -7

Reorder the terms:
5 + 30b = -32 + -7 + 8b

Combine like terms: -32 + -7 = -39
5 + 30b = -39 + 8b

Solving
5 + 30b = -39 + 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.
5 + 30b + -8b = -39 + 8b + -8b

Combine like terms: 30b + -8b = 22b
5 + 22b = -39 + 8b + -8b

Combine like terms: 8b + -8b = 0
5 + 22b = -39 + 0
5 + 22b = -39

Add '-5' to each side of the equation.
5 + -5 + 22b = -39 + -5

Combine like terms: 5 + -5 = 0
0 + 22b = -39 + -5
22b = -39 + -5

Combine like terms: -39 + -5 = -44
22b = -44

Divide each side by '22'.
b = -2

Simplifying
b = -2

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