What is the answer to 9/x =0.7 ?

The answer to 9/x =0.7 is x= 90/7

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9/x =0.7

\frac{9}{x} = 0.7

x = \frac{90}{7}

Decimal Notation

x = 12.85714 \dots

Solution steps

\frac{9}{x} = 0.7

Multiply both sides by

x

9 = 0.7 x

Switch sides

0.7 x = 9

Multiply both sides by

10

7 x = 90

Divide both sides by

7

x = \frac{90}{7}

Verify Solutions

Find undefined (singularity) points:

x = 0

Combine undefined points with solutions:

x = \frac{90}{7}

\frac{2 x ^{2} - 18 x}{x} = 0

\frac{9}{x} - \frac{11}{x - 4} + 4 = 0

y, x = \frac{y}{y + 12}

\frac{6}{( x - 1 )} = \frac{4}{x}

\frac{40}{t} = - 5