rockycatsrule
  • rockycatsrule
What is the solution to the system of equations? 5x+4y=8 x-2y=10 (_______ ,________) plz help me plz
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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jamiebookeater
  • jamiebookeater
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Error1603
  • Error1603
you have to equal x or y to solve so, 5x+4y=8 x-2y+10 (2) 5x+4y=8 2x-4y=20 ======= 7x=28 x=28/7 x=4
rockycatsrule
  • rockycatsrule
i am confused so is the answer 28 /7 or 4/7???
Error1603
  • Error1603
+4y and -4y will be cancelled.

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rockycatsrule
  • rockycatsrule
k
Error1603
  • Error1603
to find y,you use any one original equation and plug in the value of x 5(4)+4y=8 20+4y=8 4y=8-20 4y=-12 y=-12/4 y=-3
Error1603
  • Error1603
Understand?
rockycatsrule
  • rockycatsrule
no
Error1603
  • Error1603
x=4.y=-3
Error1603
  • Error1603
@rockycatsrule

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