-1=-5(b+3)+7b

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Solution for -1=-5(b+3)+7b equation:


Simplifying
-1 = -5(b + 3) + 7b

Reorder the terms:
-1 = -5(3 + b) + 7b
-1 = (3 * -5 + b * -5) + 7b
-1 = (-15 + -5b) + 7b

Combine like terms: -5b + 7b = 2b
-1 = -15 + 2b

Solving
-1 = -15 + 2b

Solving for variable 'b'.

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

Add '-2b' to each side of the equation.
-1 + -2b = -15 + 2b + -2b

Combine like terms: 2b + -2b = 0
-1 + -2b = -15 + 0
-1 + -2b = -15

Add '1' to each side of the equation.
-1 + 1 + -2b = -15 + 1

Combine like terms: -1 + 1 = 0
0 + -2b = -15 + 1
-2b = -15 + 1

Combine like terms: -15 + 1 = -14
-2b = -14

Divide each side by '-2'.
b = 7

Simplifying
b = 7

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