-4(b+5)=-b+7

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Solution for -4(b+5)=-b+7 equation:


Simplifying
-4(b + 5) = -1b + 7

Reorder the terms:
-4(5 + b) = -1b + 7
(5 * -4 + b * -4) = -1b + 7
(-20 + -4b) = -1b + 7

Reorder the terms:
-20 + -4b = 7 + -1b

Solving
-20 + -4b = 7 + -1b

Solving for variable 'b'.

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

Add 'b' to each side of the equation.
-20 + -4b + b = 7 + -1b + b

Combine like terms: -4b + b = -3b
-20 + -3b = 7 + -1b + b

Combine like terms: -1b + b = 0
-20 + -3b = 7 + 0
-20 + -3b = 7

Add '20' to each side of the equation.
-20 + 20 + -3b = 7 + 20

Combine like terms: -20 + 20 = 0
0 + -3b = 7 + 20
-3b = 7 + 20

Combine like terms: 7 + 20 = 27
-3b = 27

Divide each side by '-3'.
b = -9

Simplifying
b = -9

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