Anonymous

1/6- x/2= (x-5)/3?

1 Answers

Lia Tan Profile
Lia Tan answered

First you multiply both sides by 3 so then it looks like:

3/6 - (3x)/2 = x-5

Then you put anything with variables on one side by adding (3x)/2 and 5 to both sides.

5.5 = x + (3x)/2

5.5 = 2.5 x

Now divide both sides by 2.5 to get the x by itself.

2.2 = x

Voila!

1 Person thanked the writer.
John McCann
John McCann commented
I would have stayed in fractions. When you get to college the professors there will want the exactness of fractions.

3/6 - 3X/2 = X - 5

3/6 = 1/2 and 5 = 10/2

1/2 - 3X/2 = X - 10/2

11/2 -3X/2 = X

11 - 3X = 2X

11 = 5X

X = 11/5
=========( which is, of course, 2.2 ) You will find fraction skills necessary in college algebra and calculus also. Some college math professors will not accept decimal answers, though in other college courses, science courses, they are perfectly five.
Lia Tan
Lia Tan commented
I just felt like a decimal person today but thanks!
John McCann
John McCann commented
OK. I feel like a pedantic person everyday!

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