Question

Solve graphically
x+3y=10
2x+y=5​

Answer 1

do you want the value of x and y

ok

now you take

x=10-3y as eq-1

now substitute value of x in 2x+y=5

2×(10-3y)+y=5

20-6y+y=5

20-5y=5

-5y=5-20

-5y= -15

y= 3

now x=10-3×3

x=10-6

x=4