-3(-3+7b)=3(-8b+5)

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Solution for -3(-3+7b)=3(-8b+5) equation: 


Simplifying
-3(-3 + 7b) = 3(-8b + 5)
(-3 * -3 + 7b * -3) = 3(-8b + 5)
(9 + -21b) = 3(-8b + 5)

Reorder the terms:
9 + -21b = 3(5 + -8b)
9 + -21b = (5 * 3 + -8b * 3)
9 + -21b = (15 + -24b)

Solving
9 + -21b = 15 + -24b

Solving for variable 'b'.

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

Add '24b' to each side of the equation.
9 + -21b + 24b = 15 + -24b + 24b

Combine like terms: -21b + 24b = 3b
9 + 3b = 15 + -24b + 24b

Combine like terms: -24b + 24b = 0
9 + 3b = 15 + 0
9 + 3b = 15

Add '-9' to each side of the equation.
9 + -9 + 3b = 15 + -9

Combine like terms: 9 + -9 = 0
0 + 3b = 15 + -9
3b = 15 + -9

Combine like terms: 15 + -9 = 6
3b = 6

Divide each side by '3'.
b = 2

Simplifying
b = 2

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