Math, asked by amalrajayyan, 1 year ago

3x-5/x+5=4/5
Need the answer very fast

Answers

Answered by Evillover
4

Answer:

 =  >  \frac{3x - 5}{x + 5}  =  \frac{4}{5}  \\  =  > 5(3x - 5) = 4(x + 5) \\  =  > 15x - 25 = 4x + 20 \\  =  > 15x - 4x = 20 + 25 \\  =  > 11x = 45 \\  =  > x =  \frac{45}{11} .

Answered by iTzMiSsTwinKle
25

\huge{\boxed{\boxed{\underline{\bf SOLUTION}}}}

Given

 \frac{3x - 5}{x + 5}  =  \frac{4}{5}

Now we will cross multiply the terms

5(3x - 5) = 4(x + 5)

15x - 25 = 4x + 20

15x - 4x = 20 + 25

11x = 45

x =  \frac{45}{11}

Hence, this is the value of "x"

\huge{\boxed{\mathcal{Verification }}}

L. H. S

 \frac{3x - 5}{x + 5}

 \frac{3 \times  \frac{45}{11} -  5}{ \frac{45}{11}  + 5}

 \frac{ \frac{135}{11} - 5 }{ \frac{45}{11}  + 5}

 \frac{ \frac{135 - 55}{11} }{ \frac{45 + 55}{11} }

 \frac{135 - 55}{45 + 55}

 \frac{80}{100}

 \frac{8}{10}

 \frac{4}{5}

R.H.S

 \frac{4}{5}

L.H.S = R.H.S

Hence, it is verified

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