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

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


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

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

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

Remove parenthesis around (-5 + 2b)
15 + 3b = -5 + 2b

Solving
15 + 3b = -5 + 2b

Solving for variable 'b'.

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

Add '-2b' to each side of the equation.
15 + 3b + -2b = -5 + 2b + -2b

Combine like terms: 3b + -2b = 1b
15 + 1b = -5 + 2b + -2b

Combine like terms: 2b + -2b = 0
15 + 1b = -5 + 0
15 + 1b = -5

Add '-15' to each side of the equation.
15 + -15 + 1b = -5 + -15

Combine like terms: 15 + -15 = 0
0 + 1b = -5 + -15
1b = -5 + -15

Combine like terms: -5 + -15 = -20
1b = -20

Divide each side by '1'.
b = -20

Simplifying
b = -20

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