7(b+1)=(b-2)

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Solution for 7(b+1)=(b-2) equation:


Simplifying
7(b + 1) = (b + -2)

Reorder the terms:
7(1 + b) = (b + -2)
(1 * 7 + b * 7) = (b + -2)
(7 + 7b) = (b + -2)

Reorder the terms:
7 + 7b = (-2 + b)

Remove parenthesis around (-2 + b)
7 + 7b = -2 + b

Solving
7 + 7b = -2 + 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.
7 + 7b + -1b = -2 + b + -1b

Combine like terms: 7b + -1b = 6b
7 + 6b = -2 + b + -1b

Combine like terms: b + -1b = 0
7 + 6b = -2 + 0
7 + 6b = -2

Add '-7' to each side of the equation.
7 + -7 + 6b = -2 + -7

Combine like terms: 7 + -7 = 0
0 + 6b = -2 + -7
6b = -2 + -7

Combine like terms: -2 + -7 = -9
6b = -9

Divide each side by '6'.
b = -1.5

Simplifying
b = -1.5

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