Question 348662
Hi, 
(3+x):8=x:(1)/(2)
*Note: write the proportion as follows:
{{{(3+x)/8 = x/(1/2)}}}
.
Cross multiply to solve:
{{{(1/2)*(3+x)= 8*x}}}
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simplify and solve for x
.
(3+x) = 16x
3 = 15x
x=(3/15)
x= (1/5)