Question

7y - 5/4y +2 = 8/7.....plz solve

Answer 1

Here is your answer.....


$\frac{7y - 5}{4y + 2} = \frac{8}{7} \\ \\ by \: \: cross \: \: \: multiplying \: \: \: we \: \: get \: \: \\ \\ 7(7y - 5) = 8(4y + 2) \: \: \\ \\ or \\ \\ \: \: \\ 49 - 35 = 32y + 16 \\ \\ 49y - 32y = 16 + 35 \\ \\ or \\ \\ \\ \\ 17 = 51 \\ \\ or \\ \\ \\ y = \frac{51}{17} = 3$


Verification :


$L.H.S \: \: \: \: \: \frac{7y - 5}{4y + 2} = \frac{7 \times 3 - 5}{4 \times 3 + 2} = \frac{21 - 5}{12 + 2} = \frac{16}{14} = \frac{8}{7} = R.H.S$


Hence., y = 3 is the solution.




Hope this is helpful ....☺☺☺☺

Answer 2

Answer:

Step-by-step explanation:

=7y-5/4y+2=8/7

=8(4y+2)=7(7y-5)

=(32y+16)=(49-35)

=16+35=49y-32y

51=17y

51/17

3 Answer.