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)
(2/7)*c = -7 // + 7
(2/7)*c+7 = 0
2/7*c+7 = 0 // - 7
2/7*c = -7 // : 2/7
c = -7/2/7
c = -49/2
c = -49/2
| 5x-2+3x=2(4x-1) | | 9(x+3)+10=2x+58 | | 26y+37y=315 | | 2+1+4+2x=4x-3 | | 12+5z=-12 | | 126=-14s+8s | | 3x-5x+7=15 | | 65=8p+5p | | 2x+x-27=3 | | -9a-4a=78 | | x-(y+2)=2(2x+1) | | 4/(a+3)+2/3a | | 18r-9r=-81 | | 24x-8x=64 | | 5-3(x+1)=2y-3x+2 | | 9c-8c=68 | | 10+2c=40 | | 6(2g-3)=3(g-2) | | x^2+2/3x-26/9=0 | | 4a+12a=-48 | | 3y+2=2y-5x | | 17+2x-7=4x+3-2x | | .7x-10=.5 | | 5x+2x=84 | | 9-x=-34 | | y+4=-5(x-3) | | 7/4/1 | | 8a-1=-2 | | 2(x+8)=-x-5 | | 4.5x=.3 | | 2/3x-2=6 | | 2/x+x+2=x-5/9 |