If it's not what You are looking for type in the equation solver your own equation and let us solve it.
c in (-oo:+oo)
-6 = (2*c)/9 // - (2*c)/9
-((2*c)/9)-6 = 0
(-2/9)*c-6 = 0
-2/9*c-6 = 0 // + 6
-2/9*c = 6 // : -2/9
c = 6/(-2/9)
c = -27
c = -27
| 31=5x+2x-4 | | 4d(4+3c)=0 | | 87=6x+3x+6 | | (2x-16)+(x+36)+x=180 | | 6(3x-1)-2=2(2x-5)-8 | | 3(3x+1)=3(4x-5) | | 3/11.-. | | 4(x-8)=40 | | u^2-1u-6=0 | | 2x+7=7x-37 | | x-0.5=11 | | 5x-8-9x=-24 | | .67x+1=.5 | | 5X+10+D=180 | | 5+4x=-31 | | r+195=720 | | 9x-20=-13 | | n-26=53 | | 9s-5s= | | 9-4/x=58 | | 5/7=/49 | | -3x-6=-33/4 | | 5x+7=143-10x | | -3+5x+10=-x-5+4x | | -2x+1=25 | | 4x+1-5x=-6 | | 3/3x=6 | | 2(5+6)9=5 | | 9w=3330 | | -2+4x+4(-6x-3)=-8x+1 | | G=W+150n | | -1x+2x=-4+11x |