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7*x+2/3 = 149/3 // - 149/3
7*x+2/3-(149/3) = 0
7*x+2/3-149/3 = 0
7*x-49 = 0 // + 49
7*x = 49 // : 7
x = 49/7
x = 7
x = 7
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