Question

)
19. If 3*-y = 9, 3x+y = 81 then x, y are
a) 1
b) 2
c) 3
d) 4
1-7​

Answer 1

Answer:

3x+y=81

⇒3x+y=34

or x+y=4                

Also (81)x−y=3

⇒34(x−y)=31,4x−4y=1           

Solving equations (i) and (ii), we get

x=817 and y=815

Step-by-step explanation:

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