If it's not what You are looking for type in the equation solver your own equation and let us solve it.
k in (-oo:+oo)
5*(1*k+9) = 100 // - 100
5*(1*k+9)-100 = 0
5*(k+9)-100 = 0
5*(k+9)-100 = 0
5*k-55 = 0
5*k-55 = 0
5*k-55 = 0 // + 55
5*k = 55 // : 5
k = 55/5
k = 11
k = 11
| 4(1+1k)=48 | | 4+-d=-2d | | -7b+3=93+2b | | -7-m=7m-95 | | 6m-9=m+1 | | 2b-8=-7b+10 | | 7w+8=-7w+148 | | 10+3d=2d+15 | | 9z+1=10z+8 | | 62-2x=25+23 | | 1+5m=4m+1 | | -7n-2=-56-n | | -7d-8=-d+22 | | -6a+7=32-a | | 4a-10=54-4a | | 4+4d=5d-5 | | 6+3a=5a-18 | | 2f+-5=3f | | 14-10x=62-38x | | -7+5h=4h | | 6-7n=6n+110 | | 9-4a=4a-15 | | 14x-10=62-38x | | 6+6b=3b-9 | | 9+3k=2k+10 | | -4+2d=-4d-16 | | 4w+3=-12+w | | 7d+4=5d+2 | | (x-2)+7=4(x+1)-2 | | m+2=-7m+58 | | 7t+5=-t+37 | | -4x+16=-8 |