What is the answer to (x+2)/(3-x)= 4/1 ?

The answer to (x+2)/(3-x)= 4/1 is x=2

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(x+2)/(3-x)= 4/1

\frac{x + 2}{3 - x} = \frac{4}{1}

x = 2

Solution steps

\frac{x + 2}{3 - x} = \frac{4}{1}

Cross multiply

x + 2 = 12 - 4 x

Move

2

to the right side

x = - 4 x + 10

Move

4 x

to the left side

5 x = 10

Divide both sides by

5

x = 2

Verify Solutions

Find undefined (singularity) points:

x = 3

Combine undefined points with solutions:

x = 2

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

\frac{10}{x} = 2

\frac{8}{r} = \frac{7}{3}

r, n = \frac{p v}{r t}

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