3 by x + x by 2 = 15
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Step-by-step explanation:
3/x + x/2 = 15
by cross multiplication 3 * 2 + x * x = 15
6 + x^2 = 15
x^2 = 15 - 6
x^2 = 9
x = root 9
and now x = 3
hope correct
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