3(-5+3b)=-87

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Solution for 3(-5+3b)=-87 equation: 


Simplifying
3(-5 + 3b) = -87
(-5 * 3 + 3b * 3) = -87
(-15 + 9b) = -87

Solving
-15 + 9b = -87

Solving for variable 'b'.

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

Add '15' to each side of the equation.
-15 + 15 + 9b = -87 + 15

Combine like terms: -15 + 15 = 0
0 + 9b = -87 + 15
9b = -87 + 15

Combine like terms: -87 + 15 = -72
9b = -72

Divide each side by '9'.
b = -8

Simplifying
b = -8

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