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x in (-oo:+oo)
4*x-(2/3) = -26/3 // + -26/3
4*x-(2/3)-(-26/3) = 0
4*x-2/3+26/3 = 0
4*x+8 = 0 // - 8
4*x = -8 // : 4
x = -8/4
x = -2
x = -2
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