15(b+1)=3b-45

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Solution for 15(b+1)=3b-45 equation:


Simplifying
15(b + 1) = 3b + -45

Reorder the terms:
15(1 + b) = 3b + -45
(1 * 15 + b * 15) = 3b + -45
(15 + 15b) = 3b + -45

Reorder the terms:
15 + 15b = -45 + 3b

Solving
15 + 15b = -45 + 3b

Solving for variable 'b'.

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

Add '-3b' to each side of the equation.
15 + 15b + -3b = -45 + 3b + -3b

Combine like terms: 15b + -3b = 12b
15 + 12b = -45 + 3b + -3b

Combine like terms: 3b + -3b = 0
15 + 12b = -45 + 0
15 + 12b = -45

Add '-15' to each side of the equation.
15 + -15 + 12b = -45 + -15

Combine like terms: 15 + -15 = 0
0 + 12b = -45 + -15
12b = -45 + -15

Combine like terms: -45 + -15 = -60
12b = -60

Divide each side by '12'.
b = -5

Simplifying
b = -5

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