cheysmith73
cheysmith73 cheysmith73
  • 26-02-2021
  • Mathematics
contestada

-3х – 4 y = 2 6x+6y=-6​

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birronbaronbasdnaym
birronbaronbasdnaym birronbaronbasdnaym
  • 26-02-2021

Answer:

x=-2

y=1

Step-by-step explanation:

Rewrite first equation to get:

[tex]x=-\frac{2+4y}{3}[/tex]

Substitute into second equation:

[tex]6\left(-\frac{2+4y}{3}\right)+6y=-6[/tex]

[tex]-2y-4=-6[/tex]

[tex]y=1[/tex]

Substitute y=1 into any equation:

[tex]x=-\frac{2+4y}{3}[/tex]

[tex]x=-\frac{2+4\cdot \:1}{3}[/tex]

[tex]x=-2[/tex]

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