-4(b+5)=-8(1-b)

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Solution for -4(b+5)=-8(1-b) equation:


Simplifying
-4(b + 5) = -8(1 + -1b)

Reorder the terms:
-4(5 + b) = -8(1 + -1b)
(5 * -4 + b * -4) = -8(1 + -1b)
(-20 + -4b) = -8(1 + -1b)
-20 + -4b = (1 * -8 + -1b * -8)
-20 + -4b = (-8 + 8b)

Solving
-20 + -4b = -8 + 8b

Solving for variable 'b'.

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

Add '-8b' to each side of the equation.
-20 + -4b + -8b = -8 + 8b + -8b

Combine like terms: -4b + -8b = -12b
-20 + -12b = -8 + 8b + -8b

Combine like terms: 8b + -8b = 0
-20 + -12b = -8 + 0
-20 + -12b = -8

Add '20' to each side of the equation.
-20 + 20 + -12b = -8 + 20

Combine like terms: -20 + 20 = 0
0 + -12b = -8 + 20
-12b = -8 + 20

Combine like terms: -8 + 20 = 12
-12b = 12

Divide each side by '-12'.
b = -1

Simplifying
b = -1

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