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x in (-oo:+oo)
3*x-10 = (11*x)/3 // - (11*x)/3
3*x-((11*x)/3)-10 = 0
3*x+(-11/3)*x-10 = 0
-2/3*x-10 = 0 // + 10
-2/3*x = 10 // : -2/3
x = 10/(-2/3)
x = -15
x = -15
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