Question

3) Solve the given simultaneous equations using graphical method
:3x + y = 10; x = y + 2.​

Answer 1

Answer:

y = 1

x= 3

just use substitution method

Answer 2

Answer:

3 x + y=10

x. -y=2

4x=12

x=12/4

x=3

x-y=2

3-y=2

-y=2-3

-y=-1

y=1