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Is (–4, 10) a solution to the equation 10 – 5x = y? Explain your answer.

User Nando Vieira
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1 Answer

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22 votes
(-4,10) is not a solution to the equation 10- 5x=y

Substitute/ Replace the x and y variable with their equivalent values. In this scenario x= -4 and y= 10. Now you have 10- 5(-4)=10.
Now solve as is, -5 times -4 is 20. 20+10=30, not 10.
So this is a INVALID statement.
User Egghead
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