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(2/3)*x-3 = -5/2 // + -5/2
(2/3)*x-(-5/2)-3 = 0
(2/3)*x+5/2-3 = 0
2/3*x-1/2 = 0 // + 1/2
2/3*x = 1/2 // : 2/3
x = 1/2/2/3
x = 3/4
x = 3/4
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