Question

resolva os sistema b)y=2× ×-y=0​

Answer 1

Resposta:

Resolva os sistema

a){2x-y=0

{X-3y=5/2

b){x-y=3

{2x+y=9

c){x-3y=0

{X+2=10

d){4x-y=-4

{5x-y=1

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