28x+4 14x+7 45x-30 / 30x-20
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Okay so that was meant to be: 28x+4 over 45x-30, divided by 14x+7 over 30x-20.
Are you trying to solve for x or what?
simplifying
I wish i knew how to do these off hand
the way you do these is the same way you divide by fractions: (a/b) ÷ (c/d) = (a/b)(d/c) = (ad)/(bc) in this case, a = 28x + 4, b = 45x - 30, c = 14x + 7, and d = 30x - 20. so we get:
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