Question

2x+5y=16
x+3y=6 metodo de reduccion

xfaa

Answer 1

Respuesta:

$x + 3y = 6 \: \: \: \times ( - 2) \\ - 2x - 6y = - 12 \\ 2x + 5y = 16 \\ - y = 4 \\ y = - 4 \\ \\ x + 3y = 6 \\ x + 3 \times ( - 4) = 6 \\ x + ( - 12) = 6 \\ x - 12 = 6 \\ x = 6 + 12 \\ x = 18$

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