Question

if x+y=5 and x-y =3 find x and y
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Answer 1

Step-by-step explanation:

x+y=5

1. x-y=3
2. x=3+y
3. x+y=5
4. 3+y+y=5
5. 3+2y=5
6. 2y=5+3
7. y=5+3÷2
8. y=8÷2
9. y=4

so x=3+y

3+4=7

x=7

y=4