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(5/4)*x+2/3 = -x-(4/3) // + -x-(4/3)
(5/4)*x+x+2/3+4/3 = 0
9/4*x+2 = 0 // - 2
9/4*x = -2 // : 9/4
x = -2/9/4
x = -8/9
x = -8/9
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