Question

need the answer with full explanation plzzzzz don't answer of I don't know the answer I'll give u free points later plzz correct answers with explanations​

Answer 1

I think infinite solutions

in first equation suppose the value of x is 5 and the value of y is 6

then ,

x + y it means 5 + 6 = 11

and then supposed the value of x is 11 so what when we subtract 11 that is the answer came from where when we Plus X and y

it means ,

11 - z ( 11-11=0)

so now your first equation was solved