What is the answer to -1-(-18)/c =8 ?

The answer to -1-(-18)/c =8 is c=2

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-1-(-18)/c =8

- 1 - \frac{- 18}{c} = 8

c = 2

Solution steps

- 1 - \frac{- 18}{c} = 8

Move

1

to the right side

- \frac{- 18}{c} = 9

Simplify

- \frac{- 18}{c} : \frac{18}{c}

\frac{18}{c} = 9

Multiply both sides by

c

18 = 9 c

Switch sides

9 c = 18

Divide both sides by

9

c = 2

Verify Solutions

Find undefined (singularity) points:

c = 0

Combine undefined points with solutions:

c = 2

\frac{3}{x} = \frac{2}{8}

\frac{3}{x} = \frac{2}{7}

\frac{3}{x} = \frac{2}{5}

\frac{40}{225.061} = \frac{2}{x}

\frac{3}{x} = \frac{2}{9}