3x-1/2x=45

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Solution for 3x-1/2x=45 equation: 


x in (-oo:+oo)

3*x-((1/2)*x) = 45 // - 45

3*x-((1/2)*x)-45 = 0

3*x+(-1/2)*x-45 = 0

5/2*x-45 = 0 // + 45

5/2*x = 45 // : 5/2

x = 45/5/2

x = 18

x = 18

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