Question

solve the following linear equation using graphical method.
$x + y = 8 \\ x - y = 2$
​

Answer 1

first plot graph for x+y=8

then plot the graph of x-y=2 on same graph

the two lines will intersect at point (5,3)

therefore answer is x=5 y=3

Answer 2

Answer:     x=5     and      y=7

Step-by-step explanation:

x+y=8.............................................1

x-y=2..............................................2

1+2

2x=10

x=5

put x=5  in     1

5+y=8

y=3