Question

solve the following system of equation by substitution method
(iii) 9x + 4y = 5
3x - 5y = 8​

Answer 1

Answer:

okay

take 3x - 5y = 8 and multiply by 3

we have now 9x - 15y = 24

substract

we now have 19y = 29

Y = 29/19

and now for X just put in y in any of the equation