-75=-5(3-3b)

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


Simplifying
-75 = -5(3 + -3b)
-75 = (3 * -5 + -3b * -5)
-75 = (-15 + 15b)

Solving
-75 = -15 + 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 = -15 + 15b + -15b

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

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

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

Combine like terms: -15 + 75 = 60
-15b = 60

Divide each side by '-15'.
b = -4

Simplifying
b = -4

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