piribryan9
piribryan9
22-09-2020
Mathematics
contestada
RS = 7y - 4
ST = y +5
RT = 28
Respuesta :
LazyBun
LazyBun
22-09-2020
Answer: y = 27/8
Explanation:
RS + ST = RT
(7y - 4) + (y + 5) = 28
7y - 4 + y + 5 = 28
8y + 1 = 28
8y = 28 - 1
8y = 27
y = 27/8
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