Question

como resolver o sistema
{4b+5d=0
3b+4d=1}

Answer 1

Oi

4b + 5d = 0
3b + 4d = 1

12b + 15d = 0
12b + 16d = 4

16d - 15d = 4
d = 4

3b + 16 = 1
3b = -15
b = -5

S = (b,d) (-5, 4)

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