Solve 2/3b+5=20-b

Evaluate

\frac{2}{3} b + 5 = 20 - b

Multiply both sides of the equation by LCM

(\frac{2}{3} b + 5) \times 3 = (20 - b) \times 3

Calculate

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2 b + 15 = (20 - b) \times 3

Calculate

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2 b + 15 = 60 - 3 b

Move the expression to the left side

2 b + 15 + 3 b = 60

Move the expression to the right side

2 b + 3 b = 60 - 15

Add and subtract

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5 b = 60 - 15

Add and subtract

5 b = 45

Divide both sides

\frac{5 b}{5} = \frac{45}{5}

Divide the numbers

b = \frac{45}{5}

Solution

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b = 9

2/3b+5=20 B