25=5(b-15)

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Solution for 25=5(b-15) equation:


Simplifying
25 = 5(b + -15)

Reorder the terms:
25 = 5(-15 + b)
25 = (-15 * 5 + b * 5)
25 = (-75 + 5b)

Solving
25 = -75 + 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.
25 + -5b = -75 + 5b + -5b

Combine like terms: 5b + -5b = 0
25 + -5b = -75 + 0
25 + -5b = -75

Add '-25' to each side of the equation.
25 + -25 + -5b = -75 + -25

Combine like terms: 25 + -25 = 0
0 + -5b = -75 + -25
-5b = -75 + -25

Combine like terms: -75 + -25 = -100
-5b = -100

Divide each side by '-5'.
b = 20

Simplifying
b = 20

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