solve 3x-5y=1 and x-y= -1 by substitution method
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Answered by
0
Answer:sorry I don't now the answer
Step-by-step explanation:
Answered by
1
Answer:
X=-3
Y=-2
Step-by-step explanation:
X-y =-1 (1)
3x-5y=1. (2)
From (1)
X-y=-1
X=-1+y. (3)
Putting (3) in (2)
3(-1+y)-5y=1
-3+3y-5y=1
-2y=4
Y=-4/2
Y=-2
Putting y=-2 in (1)
X+2=-1
X=-1-2
X=-3
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