b(b+8)=b(b+7)+5

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Solution for b(b+8)=b(b+7)+5 equation:


Simplifying
b(b + 8) = b(b + 7) + 5

Reorder the terms:
b(8 + b) = b(b + 7) + 5
(8 * b + b * b) = b(b + 7) + 5
(8b + b2) = b(b + 7) + 5

Reorder the terms:
8b + b2 = b(7 + b) + 5
8b + b2 = (7 * b + b * b) + 5
8b + b2 = (7b + b2) + 5

Reorder the terms:
8b + b2 = 5 + 7b + b2

Add '-1b2' to each side of the equation.
8b + b2 + -1b2 = 5 + 7b + b2 + -1b2

Combine like terms: b2 + -1b2 = 0
8b + 0 = 5 + 7b + b2 + -1b2
8b = 5 + 7b + b2 + -1b2

Combine like terms: b2 + -1b2 = 0
8b = 5 + 7b + 0
8b = 5 + 7b

Solving
8b = 5 + 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.
8b + -7b = 5 + 7b + -7b

Combine like terms: 8b + -7b = 1b
1b = 5 + 7b + -7b

Combine like terms: 7b + -7b = 0
1b = 5 + 0
1b = 5

Divide each side by '1'.
b = 5

Simplifying
b = 5

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