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x+2/2 = 1/3-x+7 // - 1/3-x+7
x+x+2/2-(1/3)-7 = 0
x+x+2/2-1/3-7 = 0
2*x-19/3 = 0 // + 19/3
2*x = 19/3 // : 2
x = 19/3/2
x = 19/6
x = 19/6
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