(Q.9). Solve the following systems of equation: x + y = 2; 2x + 2y = 4
x + y = 2
x + y = 2
x
y
(x,y)
0
(0,
)
1
(1,
)
2
(2,
)
3
-
(3,-
)
2x + 2y = 4
2x + 2y = 4
x
y
(x,y)
0
(0,
)
1
(1,
)
2
(2,
)
3
-
(3,-
)
These two are
lines.
∴ There are
many solutions.
Clear
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