Question

21x+1=4
37y-1=-3

Determine o X e o Y

Answer 1

Boa noite

21x +1 = 4

21x = 4 -1

x = 3 /21

x = 1/7

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37y -1 = -3

37y = -3 +1

y = -2/37


Bons estudos!