Question

Slove graphically 2x plus y is equal to 10, x plus y is equal to 7

Answer 1

Answer:

2x+y=10

if x=1 , y=8

if x=0 , y=10

if x=5 , y=0

if x=2 , y=6

plot them on graph..

x+y=7

if x=0 , y=7

if x=1 ,  y=6

if x=2 , y=5

if x=7 , y=0

plot them on graph..

the point where they cut each other is your answer..