SOLUTION: (3+x):8=x:(1)/(2)

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Question 348662: (3+x):8=x:(1)/(2)
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
Hi,
(3+x):8=x:(1)/(2)
*Note: write the proportion as follows:
%283%2Bx%29%2F8+=+x%2F%281%2F2%29
.
Cross multiply to solve:
%281%2F2%29%2A%283%2Bx%29=+8%2Ax
.
simplify and solve for x
.
(3+x) = 16x
3 = 15x
x=(3/15)
x= (1/5)