Math, asked by ptasha6261, 11 months ago

வரைபடமுறை‌‌யி‌ல் ‌தீ‌ர்‌க்க
i)X+y=7
ii) X-y=3

Answers

Answered by isha018
0

Step-by-step explanation:

X+y=7...(1)

X-y=3...(2)

add eqn 1 and 2

X+y=7

+ X-y=3

______

2x=10

x=2/10

therefore,x=5

put,x=5 in eqn (1)

x+y=7

5+y=7

y=7-5

y=3

(x,y)=(5,3)

Answered by steffiaspinno
0

வரைபடமுறை‌‌:

x+y=7.....(1)

x-y=3  .....(2)

2 x=10

x = 5

5 + y = 10

     y = 2      (5,2)

y =7 - x

புள்ளிகள் (-3,10) (-2,9) (-1,8) (0,7) (1,6) (2,5) (3,4) (4,3) (5,2)

ii) x - y = 3

   y = x - 3

புள்ளிகள்(-3,-6) (-2,-5) (-1,-4) (0,-3) (1,-2) (2,-1) (3,0) (4,1) (5,2)

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