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Mathematics 7 Online
OpenStudy (anonymous):

My question is in the comments. Please help.

OpenStudy (anonymous):

OpenStudy (anonymous):

same again, whack the numbers in and see which equation holds

OpenStudy (anonymous):

I don't understand...

OpenStudy (anonymous):

so you know the point (4,5) is on the line. try putting that point into the equation. that is put 4 for x, and 5 for y into each equation and see which one works

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