Question

20. x= 5, y =2 is the solution of
O x + 2y = 7
O 5x + 2y = 7
O x + y = 7
0 y
5x + y = 7​

Answer 1

Answer:

c

Step-by-step explanation:

x+y=7 is the solution

5+2=7

Answer 2

Step-by-step explanation:

if we add the coefficients of x and y gives 7

so,

5x +2y = 7 is right answer