determine the vertices of the triangle formed by the lines representing the equation :x+y=5,x-y=5and x=0
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x+y=5 -------1
x-y=5 --------2
x=0 -------3
on solving 1 & 2
2x=10 5+y=5 pt A (5,0)
x=5 y=0
on solving 2& 3
y=-5 pt B (0,-5)
on solving 1& 3
y=5 pt C(0,5)
:. vertices are A (5,0),B(0,-5) & C (0,5)
x-y=5 --------2
x=0 -------3
on solving 1 & 2
2x=10 5+y=5 pt A (5,0)
x=5 y=0
on solving 2& 3
y=-5 pt B (0,-5)
on solving 1& 3
y=5 pt C(0,5)
:. vertices are A (5,0),B(0,-5) & C (0,5)
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