Question 207721
5,1 is a solution to the equation 2x-3y=7. What does this mean?
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It means that if you you replace x by 5 and replace y by 1
you get a true statement.
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Try it:
2*5 - 3*1 = 7
10-3 = 7
7 = 7
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Cheers,
stan H.