Question

2x+y=7 substitute x=-2​

Answer 1

Answer:

2(-2)+y=7

-4+y=7

y=7+4

y=11

so x=-2 and y=11

Answer 2

Answer:

Your Answer

2x. + y =7

2(-2)+y = 7(put x = -2)

-4 +y = 7

y. = 7-(-4)

y. = 7+4

y. = 11

hope this will help you dear