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(1/2)*x+3 = 55/16 // - 55/16
(1/2)*x-(55/16)+3 = 0
(1/2)*x-55/16+3 = 0
1/2*x-7/16 = 0 // + 7/16
1/2*x = 7/16 // : 1/2
x = 7/16/1/2
x = 7/8
x = 7/8
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