5x+3x/2=20 - solution

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Solution for 5x+3x/2=20 equation:

x in (-oo:+oo)

5*x+(3*x)/2 = 20 // - 20

5*x+(3*x)/2-20 = 0

13/2*x-20 = 0 // + 20

13/2*x = 20 // : 13/2

x = 20/13/2

x = 40/13

x = 40/13

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