30=5(b+20)

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Solution for 30=5(b+20) equation:


Simplifying
30 = 5(b + 20)

Reorder the terms:
30 = 5(20 + b)
30 = (20 * 5 + b * 5)
30 = (100 + 5b)

Solving
30 = 100 + 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.
30 + -5b = 100 + 5b + -5b

Combine like terms: 5b + -5b = 0
30 + -5b = 100 + 0
30 + -5b = 100

Add '-30' to each side of the equation.
30 + -30 + -5b = 100 + -30

Combine like terms: 30 + -30 = 0
0 + -5b = 100 + -30
-5b = 100 + -30

Combine like terms: 100 + -30 = 70
-5b = 70

Divide each side by '-5'.
b = -14

Simplifying
b = -14

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