What is the answer to 7/6 = 8/(x+4) ?

The answer to 7/6 = 8/(x+4) is x= 20/7

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7/6 = 8/(x+4)

\frac{7}{6} = \frac{8}{x + 4}

x = \frac{20}{7}

Decimal Notation

x = 2.85714 \dots

Solution steps

\frac{7}{6} = \frac{8}{x + 4}

Cross multiply

7 (x + 4) = 48

Divide both sides by

7

x + 4 = \frac{48}{7}

Move

4

to the right side

x = \frac{20}{7}

Verify Solutions

Find undefined (singularity) points:

x = - 4

Combine undefined points with solutions:

x = \frac{20}{7}

\frac{x}{2} = \frac{6}{x} + 2

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

\frac{3}{4 x + 2} = \frac{2}{8 x - 4}

1.0159 = \frac{( 5.201 + x )}{x}

2 = \frac{x + 8}{x - 10}