Question 327643
-49+7x5 Divided by 121x-847/25 
= (-49 + 7x)/5 * 25/(121x - 847) I think this is what you mean.
Cancel the 5
= (-49 + 7x) * 5/(121x - 847)
= -7*5*(x-7)/121*(x-7)
= -35/121
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There's no y term