-20-8b=-5(b+7)

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Solution for -20-8b=-5(b+7) equation:


Simplifying
-20 + -8b = -5(b + 7)

Reorder the terms:
-20 + -8b = -5(7 + b)
-20 + -8b = (7 * -5 + b * -5)
-20 + -8b = (-35 + -5b)

Solving
-20 + -8b = -35 + -5b

Solving for variable 'b'.

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

Add '5b' to each side of the equation.
-20 + -8b + 5b = -35 + -5b + 5b

Combine like terms: -8b + 5b = -3b
-20 + -3b = -35 + -5b + 5b

Combine like terms: -5b + 5b = 0
-20 + -3b = -35 + 0
-20 + -3b = -35

Add '20' to each side of the equation.
-20 + 20 + -3b = -35 + 20

Combine like terms: -20 + 20 = 0
0 + -3b = -35 + 20
-3b = -35 + 20

Combine like terms: -35 + 20 = -15
-3b = -15

Divide each side by '-3'.
b = 5

Simplifying
b = 5

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