15-3b+7(b+1)=

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Solution for 15-3b+7(b+1)= equation:


Simplifying
15 + -3b + 7(b + 1) = 0

Reorder the terms:
15 + -3b + 7(1 + b) = 0
15 + -3b + (1 * 7 + b * 7) = 0
15 + -3b + (7 + 7b) = 0

Reorder the terms:
15 + 7 + -3b + 7b = 0

Combine like terms: 15 + 7 = 22
22 + -3b + 7b = 0

Combine like terms: -3b + 7b = 4b
22 + 4b = 0

Solving
22 + 4b = 0

Solving for variable 'b'.

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

Add '-22' to each side of the equation.
22 + -22 + 4b = 0 + -22

Combine like terms: 22 + -22 = 0
0 + 4b = 0 + -22
4b = 0 + -22

Combine like terms: 0 + -22 = -22
4b = -22

Divide each side by '4'.
b = -5.5

Simplifying
b = -5.5

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