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x in (-oo:+oo)
4*x-(7*x)+6 = -24 // + 24
4*x-(7*x)+6+24 = 0
4*x-7*x+6+24 = 0
30-3*x = 0 // - 30
-3*x = -30 // : -3
x = -30/(-3)
x = 10
x = 10
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