What is the answer to 8/(x-10)= 4/(x+9) ?

The answer to 8/(x-10)= 4/(x+9) is x=-28

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8/(x-10)= 4/(x+9)

\frac{8}{x - 10} = \frac{4}{x + 9}

x = - 28

Solution steps

\frac{8}{x - 10} = \frac{4}{x + 9}

Cross multiply

8 x + 72 = 4 x - 40

Move

72

to the right side

8 x = 4 x - 112

Move

4 x

to the left side

4 x = - 112

Divide both sides by

4

x = - 28

Verify Solutions

Find undefined (singularity) points:

x = 10, x = - 9

Combine undefined points with solutions:

x = - 28

0.000000042 = \frac{( 2 x ) ^{2}}{0.6 - x}

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

\frac{1}{R} = \frac{1}{R ^{1}} + \frac{1}{R ^{2}}

4 x - \frac{108}{x ^{2}} = 0

y + \frac{9}{y} = - 10

What is the answer to 8/(x-10)= 4/(x+9) ?
The answer to 8/(x-10)= 4/(x+9) is x=-28
Solve for x: 8/(x-10)= 4/(x+9)
The solution is x=-28