Question

2.Which of these following equations have x=−3, y=2 as solutions​

Answer 1

answer

Given equation 5x−7y=k and solution is x=-3 and y=2

Then 5x−7y=k

Put the value of x=-3 and y=2 we get

5×-3−7×2=k

⇒-15−14=k

k=-29

hope it helps