Question

what is the pair of equation 5x-7y=7 and x+2y=3​

Answer 1

1. What is the solution ofthe pair of equations 5x-7y=7and x+2y=3

PLS ANSWER FAST I WILL GIVE 5 STARS AND MARK BRAINLIEST

divide 4500into two parts such that 5%of the first part is equal 10%of the second part.

9. A rational number between and fis (a)7/5 (b)7/10 (c)3/10 (d)4/10

Answer 2

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=1