x+y=17000 (x.7+y.15)/100=2000 (7x+7y)+8y=200000. 8y=200000-17000.7 y=61.5.5.5 17000-y=9375=x x=9375
Answer:
B
Step-by-step explanation:
x=9, y=15. (9, 15).
y=2x-3
y=x+6
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2x-3=x+6
2x-x-3=6
x-3=6
x=6+3
x=9
y=9+6=15