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(2/3)*x+4/3 = -8/3-(4/3) // + -8/3-(4/3)
(2/3)*x+4/3-(-8/3)+4/3 = 0
(2/3)*x+4/3+8/3+4/3 = 0
2/3*x+16/3 = 0 // - 16/3
2/3*x = -16/3 // : 2/3
x = -16/3/2/3
x = -8
x = -8
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