Answer:1) x=1 & y=18
2) x=1 & y=1
Explanation:
1) if x is considered as 1, then y-15=3*1
y-15=3
y=3+15
y=18
2) if x is taken to be one, then
-2+5y=3*1
-2+5y=3
5y=3+2
5y=5
y=5/5
y=1
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