how to solve this problem in substitution method 1/x+2/y=9;2/x+1/y=12
Answers
Answered by
2
first equation (1) ×2 then subtract this from 2nd equation.
you will get value of y is 1/2 and then put this in any equation and you will get value of x is 1/5
you will get value of y is 1/2 and then put this in any equation and you will get value of x is 1/5
Similar questions