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x in (-oo:+oo)
2*x-5*x-6 = -9 // + 9
2*x-5*x-6+9 = 0
3-3*x = 0 // - 3
-3*x = -3 // : -3
x = -3/(-3)
x = 1
x = 1
| -7m-2+m=-44 | | -9+5w-w=11 | | 2+7a+5a=110 | | -3=-3k+6k-6 | | 7-2d-d=4 | | d+9+6d=-61 | | -8=5w+5w+2 | | -5d+9+7d=5 | | -7b+10-4b=65 | | -w+8+7w=50 | | 18=3w+3w+6 | | 14=4n-2n+6 | | -4+3b+4b=80 | | 9+4k+5k=-63 | | 5x+1-3x=-13 | | n-12=15 | | k-5+5k=67 | | -16=-n+2n-6 | | -7t+6+6t=-6 | | 37=3d+2d+7 | | -40=-3m-3m+2 | | 7+d-2d=-1 | | a/b=c/d+1 | | 4d+5+6d=-15 | | -5b-6+2b=-39 | | -n+3-n=-13 | | 3a+7+6a=-56 | | 7-4m-6m=-53 | | 5a+2-2a=11 | | -2k-3-7k=96 | | -2x-3+5x=30 | | 7m+1+5m=133 |