Question

resolva as equações
a) 3×= 15
b) 2×= 14
c)25×= 0
d)7×= -21
e) 9×= -9
f) 35×= -105
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Answer 1

a) x= 5

b) x= 7

c) x= 0

d) x= -3

e) x= -1

f) x= -3