georgy12345 georgy12345
  • 04-09-2017
  • Mathematics
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Solve the system of equations. Write your answers in a list of ordered pairs, separated by commas.

{x2+y2=65
x2−3y=37

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boitumelocleopa boitumelocleopa
  • 04-09-2017
X2+y2=65............1
X2-3y=37..............2
÷both equation. 1 by 2
X+y=32,5
X=32,5-y......... 3
Sub 3 in 2
(32,5-y)2-3y=37
65-2y-3y=37
65-5y=37
-5y=37-65
-5y= - 28 divide both sides by - 5
Y=5,6........ 4

Sub 4 in 3
x=32,5-y
=32,5-5,6
=26,9

Hope it's the way you wanted it

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