-(3b-15)=(b+5)

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Solution for -(3b-15)=(b+5) equation:


Simplifying
-1(3b + -15) = (b + 5)

Reorder the terms:
-1(-15 + 3b) = (b + 5)
(-15 * -1 + 3b * -1) = (b + 5)
(15 + -3b) = (b + 5)

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

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

Solving
15 + -3b = 5 + b

Solving for variable 'b'.

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

Add '-1b' to each side of the equation.
15 + -3b + -1b = 5 + b + -1b

Combine like terms: -3b + -1b = -4b
15 + -4b = 5 + b + -1b

Combine like terms: b + -1b = 0
15 + -4b = 5 + 0
15 + -4b = 5

Add '-15' to each side of the equation.
15 + -15 + -4b = 5 + -15

Combine like terms: 15 + -15 = 0
0 + -4b = 5 + -15
-4b = 5 + -15

Combine like terms: 5 + -15 = -10
-4b = -10

Divide each side by '-4'.
b = 2.5

Simplifying
b = 2.5

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