வரைபடமுறையில் தீர்க்க
i)X+y=7
ii) X-y=3
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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
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வரைபடமுறை:
.....(1)
.....(2)
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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