Resolva os sistemas a seguir, em que as soluções sao reais.
a) X = 3y
X + y = 32

b) 2a - 5b = 46
b = 5a

c) 2m = 10 + n
n = m - 1

d) X - y = 3
X + y = 29

e) 3y = 6x
10x + y
________=2
6

f) 6x - 2y = 14
x - 16 = - 3y
____
4
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