-15=3(5-5b)

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Solution for -15=3(5-5b) equation:


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

Solving
-15 = 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.
-15 + 15b = 15 + -15b + 15b

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

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

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

Combine like terms: 15 + 15 = 30
15b = 30

Divide each side by '15'.
b = 2

Simplifying
b = 2

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