Question

4*+3y=2
-3x-2y=-1
metodo de sustitucion
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Answer 1

Respuesta:

$4x + 3y = 2 \\ - 3x - 2y = - 1.... \frac{1 - 2y}{3} = x \\ 4( \frac{1 - 2y}{3} ) + 3y = 2 \\ \frac{4 - 8y}{3} + 3y = 2 \\ 4 - 8y + 9y = 6 \\ y = 2 \\ 4x + 3(2) = 2 \\ 4x = 2 - 6 \\ 4x = -4 \\ x = - 1$