Question

x-3y-11=0 and 5x+y-7=0 by substitution method​

Answer 1

Step-by-step explanation:

taking equation 1

x-3y-11=o

x-3y=11

x=11+3y

subtitute x in eqn 2

5{11+3y)+y-7=0

55+15y+y-7=o

55+16y=7

16y=7-55

16y=-48

y= -48\16

y= - 3

subt y in x

x = 11+3y

x= 11 + 3(-3)

x= 11-9

x=2