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7x-3y =17 Ι*5Ι 35x-15 = 85 ₊
41x= 184
x=184 :41
x= 4,4
x= 4,4⇒2x+5y =33
2×4,4 +5y =33
8,8+5y =33
5y= 33-8,8
5y= 24,2
y=24,2 :5
y= 4,84