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d in (-oo:+oo)
6*d+10 = -56 // + 56
6*d+10+56 = 0
6*d+66 = 0 // - 66
6*d = -66 // : 6
d = -66/6
d = -11
d = -11
| 8+6a=32 | | -7k+10=17 | | 3x+6=6x-21 | | 3+6m=63 | | -5k+3=38 | | -10=d-10 | | 1=a-3 | | a-7=-2 | | -6w=-6 | | -2=b+8 | | x^2-9/4x+5=x^2-9/5x+4 | | -3+m=6 | | -10+m=-5 | | w+3=14 | | -7+t=-16 | | 2=m+7 | | 6n=-60 | | 2=n+8 | | w+4=-7 | | 14=n+3 | | -6d=-18 | | d+8=5 | | x+2.1/11x+12=x+2.1/12x+11 | | 3t=30 | | -5w=30 | | a+7=5 | | b-1=-5 | | 2=d-10 | | 1+d=3 | | -7k=56 | | 6+b=6 | | 8+t=11 |