Question

Solve graphically 2x-y=10 x+3y=15​

Answer 1

y =5/4, x= 4

. 2x +3y = 15

2x-y = 10

- + = -

0 +4y = 5

y = 5/4

x + 3y = 15

x + 3×5/4 = 15

x + 15/4 = 15

x = 4