3x/2+x=15 - solution

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Solution for 3x/2+x=15 equation:

x in (-oo:+oo)

(3*x)/2+x = 15 // - 15

(3*x)/2+x-15 = 0

5/2*x-15 = 0 // + 15

5/2*x = 15 // : 5/2

x = 15/5/2

x = 6

x = 6

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