Math, asked by ans2401, 1 year ago

7x+4/x+2 = 4/3 solve and verify​

Answers

Answered by harnoor92
3

Answer:

 \frac{7x + 4}{x + 2}  =  \frac{4}{3}  \\ 21x + 12 = 4x + 8 \\ 21x - 4x = 8 - 12 \\ 17x =  - 4 \\ x =  \frac{  -  4}{17}  \\ \\  verify....  \\ \\  lhs = \frac{7(  \frac{ - 4}{17} ) + 4}{ \frac{ - 4}{17} + 2 }  \\  \frac{ \frac{ - 28}{17}  + 4}{ \frac{ - 4 + 34}{17} }  \\  \frac{ \frac{ - 28 + 68}{17} }{ \frac{30}{17} }  \\  \frac{ \frac{40}{17} }{ \frac{30}{17} }  \\  \frac{40}{17}  \times  \frac{17}{30}  \\  \frac{4}{3}  = rhs

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