-75=-5(-3b)

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Solution for -75=-5(-3b) equation:


Simplifying
-75 = -5(-3b)

Remove parenthesis around (-3b)
-75 = -5 * -3b

Multiply -5 * -3
-75 = 15b

Solving
-75 = 15b

Solving for variable 'b'.

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

Add '-15b' to each side of the equation.
-75 + -15b = 15b + -15b

Combine like terms: 15b + -15b = 0
-75 + -15b = 0

Add '75' to each side of the equation.
-75 + 75 + -15b = 0 + 75

Combine like terms: -75 + 75 = 0
0 + -15b = 0 + 75
-15b = 0 + 75

Combine like terms: 0 + 75 = 75
-15b = 75

Divide each side by '-15'.
b = -5

Simplifying
b = -5

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