7x+7=21/2

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Solution for 7x+7=21/2 equation: 


x in (-oo:+oo)

7*x+7 = 21/2 // - 21/2

7*x-(21/2)+7 = 0

7*x-21/2+7 = 0

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

7*x = 7/2 // : 7

x = 7/2/7

x = 1/2

x = 1/2

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