a)c=30 c)c=40
b)c=50 d)c=60
a + b = 60,
b + c = 90,
5 - a = 100
a = 5 - 100 = -95
-95 + b = 60
b = 60 + 95 = 155
155 + c = 90
c = 90 - 155 = -65
pronto
NDA
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Verified answer
a + b = 60,
b + c = 90,
5 - a = 100
a = 5 - 100 = -95
-95 + b = 60
b = 60 + 95 = 155
155 + c = 90
c = 90 - 155 = -65
pronto
NDA