June 2023 1 11 Report
2) Aplicando o método da COMPARAÇÃO, resolva os seguintes sistemas:

a) x - y = 16
x + y = 74


b) 3x + y = 0
11x - y = 42


c) 5x - y = 4
2x - y = - 5


d) 2x - y = 20
2x + y = 48


e) 5x + y = 5
10x - 2y = - 2


f) 2x - 3y = - 16
5x + 3y = 2​
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