Question

solve the equation simultaneously by the graphical method 1) x - 3y = 5 , 5x + y = 4​

Answer 1

Step-by-step explanation:

first make the colliner of one variable equal by multiplying

5 ( x - 3y = 5 ) → 5x -15y = 25

now subtract

5x - 15y = 25

5x + y = 4

- - -

______________

0 - 16y = 21

y = 21/16