What is the answer to (42)/a =72 ?

The answer to (42)/a =72 is a= 7/12

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(42)/a =72

\frac{42}{a} = 72

a = \frac{7}{12}

Decimal Notation

a = 0.58333 \dots

Solution steps

\frac{42}{a} = 72

Multiply both sides by

a

42 = 72 a

Switch sides

72 a = 42

Divide both sides by

72

a = \frac{7}{12}

Verify Solutions

Find undefined (singularity) points:

a = 0

Combine undefined points with solutions:

a = \frac{7}{12}

a, \frac{5}{a + b} = 3

\frac{k + 1}{2 k - 1} = \frac{4}{5}

\frac{2 y}{y - 3} = \frac{- 1}{y}

\frac{( n + 1 ) !}{n !} = 14

0.7 = \frac{( 31 x - 334.8 )}{31 x}