3+7x=1/2x+71/2

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Solution for 3+7x=1/2x+71/2 equation: 


x in (-oo:+oo)

7*x+3 = (1/2)*x+71/2 // - (1/2)*x+71/2

7*x-((1/2)*x)-(71/2)+3 = 0

7*x+(-1/2)*x-71/2+3 = 0

13/2*x-65/2 = 0 // + 65/2

13/2*x = 65/2 // : 13/2

x = 65/2/13/2

x = 5

x = 5

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