SOLUTION: Can you please show how to work out this problem? We're having a lot of trouble getting started. Are we suppose to divide to get a number that will then add up to 5? x +

Algebra ->  Equations -> SOLUTION: Can you please show how to work out this problem? We're having a lot of trouble getting started. Are we suppose to divide to get a number that will then add up to 5? x +       Log On


   

Question 20075: Can you please show how to work out this problem? We're having a lot of trouble getting started. Are we suppose to divide to get a number that will then add up to 5?

x + x = 5 (I"m not sure how to show the fraction line)
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2 4
Answer by Earlsdon(6294) About Me  (Show Source):
You can put this solution on YOUR website!
You have:
x%2F2+%2B+x%2F4+=+5 Start by adding the two fractions. The common denominator is 4.
2x%2F4+%2B+x%2F4+=+5
3x%2F4+=+5 Multiply both sides of the equation by 4.
3x+=+20 Divide both sides by 3.
x+=+20%2F3
x = 6 2/3 or 6.66...