3u-30=(u+5)/2

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Solution for 3u-30=(u+5)/2 equation: 


u in (-oo:+oo)

3*u-30 = (u+5)/2 // - (u+5)/2

3*u-((u+5)/2)-30 = 0

(-1*(u+5))/2+3*u-30 = 0

(-1*(u+5))/2+(2*3*u)/2+(-30*2)/2 = 0

2*3*u-1*(u+5)-30*2 = 0

5*u-60-5 = 0

5*u-65 = 0

(5*u-65)/2 = 0

(5*u-65)/2 = 0 // * 2

5*u-65 = 0

5*u-65 = 0 // + 65

5*u = 65 // : 5

u = 65/5

u = 13

u = 13

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