15+5(3b-2)=-40

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Solution for 15+5(3b-2)=-40 equation:


Simplifying
15 + 5(3b + -2) = -40

Reorder the terms:
15 + 5(-2 + 3b) = -40
15 + (-2 * 5 + 3b * 5) = -40
15 + (-10 + 15b) = -40

Combine like terms: 15 + -10 = 5
5 + 15b = -40

Solving
5 + 15b = -40

Solving for variable 'b'.

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

Add '-5' to each side of the equation.
5 + -5 + 15b = -40 + -5

Combine like terms: 5 + -5 = 0
0 + 15b = -40 + -5
15b = -40 + -5

Combine like terms: -40 + -5 = -45
15b = -45

Divide each side by '15'.
b = -3

Simplifying
b = -3

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