Question

xy=30
3x-y=-9

Answer 1

solve x in terms of y and plug it in the other equation.

Answer 2

??? Ok...

Answer 3

hmm

Answer 4

if i solve it can i explain to you?

Answer 5

ok

Answer 6

First equation:

xy = 30 -> x = 30/y --> 1

the second equation is:

3x-y=-9

now substitute x with 1:

3(30/y) - y = -9

and solve. for y. Then take the y-values and solve for x