What is the answer to 0.4=(200)/(x+200) ?

The answer to 0.4=(200)/(x+200) is x=300

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0.4=(200)/(x+200)

0.4 = \frac{200}{x + 200}

x = 300

Solution steps

0.4 = \frac{200}{x + 200}

Multiply both sides by

x + 200

0.4 (x + 200) = 200

Divide both sides by

0.4

x + 200 = 500

Move

200

to the right side

x = 300

Verify Solutions

Find undefined (singularity) points:

x = - 200

Combine undefined points with solutions:

x = 300

\frac{16}{x + 5} - 3 = 1

\frac{8}{x} = 5

7 - 3 x + \frac{25}{1 + x} = 0

\frac{12}{6 x - 9} = \frac{4}{x - 4}

x, r = \frac{( a - x )}{a + x}

What is the answer to 0.4=(200)/(x+200) ?
The answer to 0.4=(200)/(x+200) is x=300
Solve for x: 0.4=(200)/(x+200)
The solution is x=300