Question

x+y=5 2x+2y=10 solution graphicaly

Answer 1

Answer:

x+y = 5

therefore ,

2x+2y = 10

2(x+y)=10

therefore , x+y = 10\2

x+y = 5

hence proved

Answer 2

Answer:

infinitely many solutions

coincident lines <_____________________>

overlapping

A1/A2=B1/B2=C1/C2