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  • 22-04-2017
  • Mathematics
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Choose they systems of equations

Choose they systems of equations class=

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Kmieteczka
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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