lunaamaralmello lunaamaralmello

21-11-2018
Mathematics

contestada

Resolva pelo método da adição:
{2x + 3y = 26
{3x + 2y =19

Respuesta :

nathannimalaki nathannimalaki

21-11-2018

(6x+9y=78) - (6x+4y=38) = (5y=40) = y=8

(2x+3(8)=26) = (2x+24=26) = (2x=2) = x=2

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