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(2/3)*x-(3/7) = -2 // + 2
(2/3)*x-(3/7)+2 = 0
(2/3)*x-3/7+2 = 0
2/3*x+11/7 = 0 // - 11/7
2/3*x = -11/7 // : 2/3
x = -11/7/2/3
x = -33/14
x = -33/14
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