What is the answer to 2/b-9=11 ?

The answer to 2/b-9=11 is b= 1/10

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2/b-9=11

\frac{2}{b} - 9 = 11

b = \frac{1}{10}

Decimal Notation

b = 0.1

Solution steps

\frac{2}{b} - 9 = 11

Move

9

to the right side

\frac{2}{b} = 20

Multiply both sides by

b

2 = 20 b

Switch sides

20 b = 2

Divide both sides by

20

b = \frac{1}{10}

Verify Solutions

Find undefined (singularity) points:

b = 0

Combine undefined points with solutions:

b = \frac{1}{10}

v, p = \frac{f v}{v - s}

\frac{h - 1}{3} = \frac{1}{h + 1}

\frac{1}{x} + \frac{3}{x} = 12

94.11 = \frac{1015}{x}

60 = \frac{( 0.2 x ^{2} + 4 x + 15 )}{x}