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k in (-oo:+oo)
-4 = k-6 // - k-6
6-k-4 = 0
2-k = 0 // - 2
-k = -2 // * -1
k = 2
k = 2
| -2+b=2 | | 1/2x+6=8 | | 12=w+3 | | 6d+10=2d-10 | | m+10=8 | | w+7=-2 | | a-6=5 | | 7=w+7 | | k+5=10 | | k+10=17 | | a/3=-4 | | 11=t+8 | | d/-6=5 | | 7=n+7 | | d+10=-1 | | 2x-6/5=4 | | 7x-29y=-3 | | 5(2m-7)=-45 | | 5(6x+7)=35 | | 3(7+5m)=186 | | 7x+29y=-3 | | 7(-6k-10)=-322 | | 4(2k+4)=-56 | | 3(5+7b)=267 | | 3(7k+4)=75 | | 7(4+5x)=63 | | 3(4+t)=48 | | 14X-12=11X | | 7(6b+7)=553 | | 5(1m-8)=-40 | | 5(-1d-2)=-60 | | 6(2a+5)=54 |