Respuesta :

Answer:2.8

Step-by-step explanation:add 3.5 to the 10.5 which equals 14 then you divide 5 by 14 to get the y alone and it equals 2.8

corndoglover
5y-3.5=10.5
+3.5 +3.5
5y=14
5y/5= y
14/5= 2.8
Y=2.8

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