What is the answer to 3*x/(x+2200)=0.8 ?

The answer to 3*x/(x+2200)=0.8 is x=800

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3*x/(x+2200)=0.8

3 \cdot \frac{x}{x + 2200} = 0.8

x = 800

Solution steps

3 \cdot \frac{x}{x + 2200} = 0.8

Simplify

3 \cdot \frac{x}{x + 2200} : \frac{3 x}{x + 2200}

\frac{3 x}{x + 2200} = 0.8

Multiply both sides by

x + 2200

3 x = 0.8 (x + 2200)

Multiply both sides by

10

30 x = 8 (x + 2200)

Expand

8 (x + 2200) : 8 x + 17600

30 x = 8 x + 17600

Move

8 x

to the left side

22 x = 17600

Divide both sides by

22

x = 800

Verify Solutions

Find undefined (singularity) points:

x = - 2200

Combine undefined points with solutions:

x = 800

1 + 0.1 = (1 - x)^{- 1}

\frac{2}{2 x + 1} - \frac{6}{x - 1} = 5

43 = 3 - \frac{5}{9 z}

\frac{4 - x}{x} = 0

33.6 x^{- 5} + 6.8 x^{- 4} - 501.37 = 0

What is the answer to 3*x/(x+2200)=0.8 ?
The answer to 3*x/(x+2200)=0.8 is x=800
Solve for x: 3*x/(x+2200)=0.8
The solution is x=800