Question

x+y=7,x-y=3 elimination​

Answer 1

Answer:

x=7,y=3

Step-by-step explanation:

..............

Answer 2

Answer:

x+y=7⋯(1)

x−y=3

x=y+3

Put it in (1)

y+3+y=7

2y+3=7

2y=7−3

2y=4

y=

2

4

=2

Put y=2 in x+y=7 we get

x=7−y=7−2=5

∴x=5,y=2