anonymous
  • anonymous
how do I know if (-3,4) is a solution to 5x-2y=-23? please show me how to work this, thanks.
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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katieb
  • katieb
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anonymous
  • anonymous
Put x = -3 in the equation & see if y turns out to be 4. :)
anonymous
  • anonymous
Yes it does turns out to be 4. -3,4 is a solution of the given equation. :D
anonymous
  • anonymous
Hey there, (-3,4) is in the form of (x,y). So 'x=-3' and 'y=4'. Simply plug these values into the equation and see if the left side equals the right side. If it does, then it is a solution.

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anonymous
  • anonymous
5(-3) -2y = -23 2y = -15 - (-23) 2y=8 y=4
anonymous
  • anonymous
thank you
anonymous
  • anonymous
put (-3,4) in ur equation if u get 0 this mean (-3,4) is a soln.

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