What is the answer to 3/x+2= 7/x ?

The answer to 3/x+2= 7/x is x=2

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3/x+2= 7/x

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

x = 2

Solution steps

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

Multiply both sides by

x

3 + 2 x = 7

Move

3

to the right side

2 x = 4

Divide both sides by

2

x = 2

Verify Solutions

Find undefined (singularity) points:

x = 0

Combine undefined points with solutions:

x = 2

3 - \frac{1}{x} = - 4 x

\frac{15}{4} = \frac{9}{2 r}

\frac{12 - 4}{5 ( x + 15 )} = 8

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

4 - \frac{5}{y} = \frac{7}{y}