What is the answer to 3/(x+3)= 5/(x+1) ?

The answer to 3/(x+3)= 5/(x+1) is x=-6

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3/(x+3)= 5/(x+1)

\frac{3}{x + 3} = \frac{5}{x + 1}

x = - 6

Solution steps

\frac{3}{x + 3} = \frac{5}{x + 1}

Cross multiply

3 x + 3 = 5 x + 15

Move

3

to the right side

3 x = 5 x + 12

Move

5 x

to the left side

- 2 x = 12

Divide both sides by

- 2

x = - 6

Verify Solutions

Find undefined (singularity) points:

x = - 3, x = - 1

Combine undefined points with solutions:

x = - 6

R, I = \frac{V}{R}

\frac{2}{2 q + 3} = \frac{1}{8}

2 x - \frac{2}{x ^{3}} = 0

x, y = \frac{1}{x}

y, x = \frac{y + 2}{5 y - 1}