5Y/5
The factor 5 appears in both numerator and denominator so it can be eliminated.
= Y
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2 + 3 / 5y = 25 / 5y = 2(x both sides by 5y)5 = 10y(divide both sides by 10)0.5 = yy = 0.5Check...5/(5 x 0.5) = 25/2.5 = 2
7
Divide 3.25 by 5 and get .65
2x-5y=5 In order to solve this linearly(in points), you must plug in numbers into x or y, then solve the equation for the other variable. For example: if you plug 0 into x, or into y. You will need to do this with at least two points, three two be safe. 2(0)-5y=5 2x-5(0)=5 0-5y=5 2x=5 0-5y-0=5-0 2x/2=5/2 -5y=5 x=5/2 -5y/-5=5/-5 (5/2,0) y=-1 You then create a graph and plot the points. Next, draw a (0,-1) connecting the two points, and...voila! you have put 2x-5y=5 into points on a line.
5y - 2 = 28 - y 5y + y = 28 + 2 6y = 30 y = 30/6 y = 5