Problema Solution
If twice a number added to 3 is divided by a number plus 3 the result is seven fourths, what the number?
Answer provided by our tutors
x = number:
(2x + 3)/(x+3) = 7/4
4(2x+3) = 7(x+3)
8x + 12 = 7x + 21
8x - 7x = 21-12
x = 9
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