(5-3b)(-3)=30

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Solution for (5-3b)(-3)=30 equation:


Simplifying
(5 + -3b)(-3) = 30

Reorder the terms for easier multiplication:
-3(5 + -3b) = 30
(5 * -3 + -3b * -3) = 30
(-15 + 9b) = 30

Solving
-15 + 9b = 30

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 = 30 + 15

Combine like terms: -15 + 15 = 0
0 + 9b = 30 + 15
9b = 30 + 15

Combine like terms: 30 + 15 = 45
9b = 45

Divide each side by '9'.
b = 5

Simplifying
b = 5

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