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  • 04-02-2021
  • Mathematics
contestada

Find the value of p for which x = -2, y = -1 is a solution of linear equation 5x + 2py = 2p.​

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thankumomandDaD thankumomandDaD
  • 04-02-2021
I think p=4
How I solved it:
5(-2)+2p+2(-1)=2p
-10+2p+-2=2p So cross out last
-2p -2p 2p:)
= -10+2p+-2
+10 +10 Cross out the 10
= 2p=8
= divide both sides by 2p
= 2p/2= 8/2
= cross out the 2.
= which leaves
= p=4 we get 4 because we divide 8 to 2:)


I don’t know if I’m right but yea...



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