Question

x+y=12 and 4x+5y=12 do elimination method .​

Answer 1

Answer:

See to my attachment.

Hope it will help you.

Answer 2

Answer:

Step-by-step explanation

x+y=12....eq1

4x+5y=12....eq2

Multiplying eq 1 by 4

4x+4y=48...eq3

If we subtract eq 3 from eq 2

we get,

y=-36

taking y=-36 in eq 1

x-36=12

x=12+36

x=48

x.y=(48.-36)