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

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


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

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

Reorder the terms:
-9 + -3b + -15b = 30 + -5b

Combine like terms: -3b + -15b = -18b
-9 + -18b = 30 + -5b

Solving
-9 + -18b = 30 + -5b

Solving for variable 'b'.

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

Add '5b' to each side of the equation.
-9 + -18b + 5b = 30 + -5b + 5b

Combine like terms: -18b + 5b = -13b
-9 + -13b = 30 + -5b + 5b

Combine like terms: -5b + 5b = 0
-9 + -13b = 30 + 0
-9 + -13b = 30

Add '9' to each side of the equation.
-9 + 9 + -13b = 30 + 9

Combine like terms: -9 + 9 = 0
0 + -13b = 30 + 9
-13b = 30 + 9

Combine like terms: 30 + 9 = 39
-13b = 39

Divide each side by '-13'.
b = -3

Simplifying
b = -3

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