Question

when we solve the system of equations 2×+5y = 40 and ×+y = 17

Answer 1

Answer:

Step-by-step explanation:

2x+5y=40...(1)

x +y=17

x=17-y...(2)

Use eq2 in 1

2(17-y)+5y=40

34-2y+5y=40

3y=6

y=2

Put value of y in eq2

x=17-2

X=15