15+b=-7(b-3)+2

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Solution for 15+b=-7(b-3)+2 equation:


Simplifying
15 + b = -7(b + -3) + 2

Reorder the terms:
15 + b = -7(-3 + b) + 2
15 + b = (-3 * -7 + b * -7) + 2
15 + b = (21 + -7b) + 2

Reorder the terms:
15 + b = 21 + 2 + -7b

Combine like terms: 21 + 2 = 23
15 + b = 23 + -7b

Solving
15 + b = 23 + -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.
15 + b + 7b = 23 + -7b + 7b

Combine like terms: b + 7b = 8b
15 + 8b = 23 + -7b + 7b

Combine like terms: -7b + 7b = 0
15 + 8b = 23 + 0
15 + 8b = 23

Add '-15' to each side of the equation.
15 + -15 + 8b = 23 + -15

Combine like terms: 15 + -15 = 0
0 + 8b = 23 + -15
8b = 23 + -15

Combine like terms: 23 + -15 = 8
8b = 8

Divide each side by '8'.
b = 1

Simplifying
b = 1

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