Question

Equação .. Ajuda pra resolver

Answer 1

{3x+5y=0×(-2)

{2x+3y=1×(3)

{-6x-10y=0

+{6x+9y=3

–y=3×(–1)

y=–3

3x+5y=0

3x+5(–3)=0

3x-15=0

3x=15

x=15/3

x=5

S={5,–3}