Question

solve the following by substitution method X/3+1=y., 2y-x=5​

Answer 1

Answer:

x=3y-1    (i)      

Putting x value in II eq

2y-(3y-1)=5

2y-3y+1=5

-y= 4 (ii)

y=-4

From eq ii

x=3(-4)-1

x= -12-1

x= -13