1/2x+7=4

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Solution for 1/2x+7=4 equation: 


x in (-oo:+oo)

(1/2)*x+7 = 4 // - 4

(1/2)*x-4+7 = 0

1/2*x+3 = 0 // - 3

1/2*x = -3 // : 1/2

x = -3/1/2

x = -6

x = -6

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