[tex] Nilai \: y\\ 2x + 3y = - 5 \\ - - - - - - - - \times 2 \\ 4x + 6y = - 10 \\ 4x\: - \: \: y = \: \: \: \: 11 \\ ........................... - \\ \: \: \: \: \: \: \: \: \: \: \: \: 7y = - 21 \\ y = - \frac{21}{7} = - 3 \\ \\ Nilai \: x\\ 4x - y = \: 11 \\ \: \: \: \: \: \: \: \: \: \: \: y = - 3 \\ - - - - - - - + \\ 4x \: \: \: \: \: \: \: \: = \: \: \: 8 \\ x = \frac{8}{4} = 2[/tex]
HP = {( 2 , -3 )} ( C )
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[tex] Nilai \: y\\ 2x + 3y = - 5 \\ - - - - - - - - \times 2 \\ 4x + 6y = - 10 \\ 4x\: - \: \: y = \: \: \: \: 11 \\ ........................... - \\ \: \: \: \: \: \: \: \: \: \: \: \: 7y = - 21 \\ y = - \frac{21}{7} = - 3 \\ \\ Nilai \: x\\ 4x - y = \: 11 \\ \: \: \: \: \: \: \: \: \: \: \: y = - 3 \\ - - - - - - - + \\ 4x \: \: \: \: \: \: \: \: = \: \: \: 8 \\ x = \frac{8}{4} = 2[/tex]
HP = {( 2 , -3 )} ( C )