2x+5x/2=31.5

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Solution for 2x+5x/2=31.5 equation: 


x in (-oo:+oo)

2*x+(5*x)/2 = 31.5 // - 31.5

2*x+(5*x)/2-31.5 = 0

9/2*x-31.5 = 0 // + 31.5

9/2*x = 31.5 // : 9/2

x = 31.5/9/2

x = 7

x = 7

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