8)
(a) parallel o intersecting
Find the value of x and y in equations x+y=5 and x-y=1
(a) x=1. y=1 (5) x=2 y=3 (c) x=3, y=2 (d) x=0, y=0
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Given equations are
x+y=5 ——->1
x-y=1 —-—>2
Adding 1&2
x + y = 5
x - y = 1
—————
2x =6
=>x = 6/2 =3
So, x=3 ——>3
Substitute eq-3 in eq-1, then
3+y=5
=>y=5-3
=>y=2
So, x=3; y=2.
Option c is correct.
x+y=5 ——->1
x-y=1 —-—>2
Adding 1&2
x + y = 5
x - y = 1
—————
2x =6
=>x = 6/2 =3
So, x=3 ——>3
Substitute eq-3 in eq-1, then
3+y=5
=>y=5-3
=>y=2
So, x=3; y=2.
Option c is correct.
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