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

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


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

Solving
-7 + -7b = -5 + -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.
-7 + -7b + 5b = -5 + -5b + 5b

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

Combine like terms: -5b + 5b = 0
-7 + -2b = -5 + 0
-7 + -2b = -5

Add '7' to each side of the equation.
-7 + 7 + -2b = -5 + 7

Combine like terms: -7 + 7 = 0
0 + -2b = -5 + 7
-2b = -5 + 7

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

Divide each side by '-2'.
b = -1

Simplifying
b = -1

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