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k in (-oo:+oo)
k+3 = 12 // - 12
k-12+3 = 0
k-9 = 0 // + 9
k = 9
k = 9
| n/-6=-6 | | 0=t-10 | | m-1=-10 | | m+2=-3 | | -7b=-70 | | m-3=-13 | | 11=b+5 | | t+5=12 | | 1.25y=y+3.5+1 | | 2x^2-8x+14=0 | | X^2+14x+50=5 | | w+2=14 | | k/6=-1 | | t+6=-1 | | k/2=-6 | | 1.25y=y+3+1 | | m+10=22 | | 12=w+10 | | b+8=20 | | w/-5=-2 | | 6m+2m+m= | | 10=b+4 | | 2=a-3 | | -6k=-54 | | 7=m+1 | | -5a=0 | | -3t=-27 | | 4x^2+20x+25=-7 | | d+2=0 | | -2+d=-9 | | b+1=10 | | -6m=0 |