-5(-7+b)=100

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Solution for -5(-7+b)=100 equation: 


Simplifying
-5(-7 + b) = 100
(-7 * -5 + b * -5) = 100
(35 + -5b) = 100

Solving
35 + -5b = 100

Solving for variable 'b'.

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

Add '-35' to each side of the equation.
35 + -35 + -5b = 100 + -35

Combine like terms: 35 + -35 = 0
0 + -5b = 100 + -35
-5b = 100 + -35

Combine like terms: 100 + -35 = 65
-5b = 65

Divide each side by '-5'.
b = -13

Simplifying
b = -13

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