What is the answer to (12)/(x+5)=4 ?

The answer to (12)/(x+5)=4 is x=-2

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(12)/(x+5)=4

\frac{12}{x + 5} = 4

x = - 2

Solution steps

\frac{12}{x + 5} = 4

Multiply both sides by

x + 5

12 = 4 (x + 5)

Switch sides

4 (x + 5) = 12

Divide both sides by

4

x + 5 = 3

Move

5

to the right side

x = - 2

Verify Solutions

Find undefined (singularity) points:

x = - 5

Combine undefined points with solutions:

x = - 2

\frac{4}{n + 5} = \frac{7}{8}

\frac{7.4}{x} = 1.43

a, g c = \frac{a + b}{a}

\frac{x}{x + 7} = \frac{3}{4}

\frac{9}{x} = \frac{12}{16}