Question

If 3x+5=2y,what is 9y/3³x
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Answer 1

Answer:

3x−2y=5(1)

3y−2x=3

−2x+3y=3

Multiply (1) by 2 & eq (2) by 3

6x−4y=103)

−6x+9y=19..(4)

Adding eqn (3) and (4), we get

6x−4y=10

−6x+9y=19

5y=1

y=

5

1

Putting the value in

6x−

5

4

=10

6x=10+

5

4

=

5

54

x=

5×6

54

=

5

9

x=

5

9

Now x+y=

5

9

+

5

1

=

5

10

=2$$

x+y=2