palola
palola
22-04-2017
Mathematics
contestada
Choose they systems of equations
Respuesta :
Kmieteczka
Kmieteczka
22-04-2017
{[tex]\frac{x}{3}-\frac{y}{4}=\frac{3}{2}[/tex] [tex]|*12[/tex]
{[tex]2x+y=14[/tex]
{[tex]4x-3y=18[/tex]
{[tex]2x+y=14[/tex] [tex]|*3[/tex]
{[tex]4x-3y=18[/tex]
{[tex]6x+3y=42[/tex]
+__________________
[tex]10x=60[/tex]
{[tex]x=6[/tex]
{[tex]2*6+y=14[/tex]
{[tex]x=6[/tex]
{[tex]12+y=14[/tex]
{[tex]x=6[/tex]
{[tex]y=2[/tex]
:)
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