Question

solve graphically x-y=4 x+y=10​

Answer 1

Answer:

this is a correct answer

Answer 2

Answer:

x+y=10

x+x+4=10 since y=x+4

2x=10−4=6

x=

2

6

=3

Put x=3 in y=x+4 we get y=3+4=7

∴(3,7) is the point of intersection of the lines x+y=4 and y=x+4