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(2/3)*x+2 = 4*x+5 // - 4*x+5
(2/3)*x-(4*x)-5+2 = 0
(2/3)*x-4*x-5+2 = 0
-10/3*x-3 = 0 // + 3
-10/3*x = 3 // : -10/3
x = 3/(-10/3)
x = -9/10
x = -9/10
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