3x+1/2x-4

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Solution for 3x+1/2x-4 equation: 


x in (-oo:+oo)

3*x+(1/2)*x-4 = 0

7/2*x-4 = 0 // + 4

7/2*x = 4 // : 7/2

x = 4/7/2

x = 8/7

x = 8/7

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