Question

solve graphically 2x-y=2 x+3y=15​

Answer 1

Explanation:

2x-y=2

x=(2+y)/2

Let y=2

x=2

Let y=6

x=4

Let y=10

x=6

x+3y=15

x=15-3y

Let y=2

x=9

Let y=0

x=15

Let y=3

x=6

Plot the points on the graph

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Answer 2

Explanation:

2x-y= 2          when x= 0  then y= -2         ⇒ (0.-2)

                       when y=0 then x= 1            ⇒(1,0)

x+3y=15         when x=0   then y= 5         ⇒ (0,5)

                       when y=0 then x= 15         ⇒(15,0)