What is the answer to (12+20)/x =10 ?

The answer to (12+20)/x =10 is x= 16/5

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(12+20)/x =10

\frac{12 + 20}{x} = 10

x = \frac{16}{5}

Decimal Notation

x = 3.2

Solution steps

\frac{12 + 20}{x} = 10

Simplify

\frac{12 + 20}{x} : \frac{32}{x}

\frac{32}{x} = 10

Multiply both sides by

x

32 = 10 x

Switch sides

10 x = 32

Divide both sides by

10

x = \frac{16}{5}

Verify Solutions

Find undefined (singularity) points:

x = 0

Combine undefined points with solutions:

x = \frac{16}{5}

385 = \frac{30465 - 26990}{x}

1 - \frac{9}{( x + 1 ) ^{2}} = 0

10 = 538 x^{- 3}

\frac{7 - 1}{16 x} = - 2

\frac{6}{x} = \frac{15}{22}