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)
c/(-4)+5+7 = 0
12-1/4*c = 0 // - 12
-1/4*c = -12 // : -1/4
c = -12/(-1/4)
c = 48
c = 48
| 6+-.25f=f+-3 | | x^6-54x^3+729=0 | | 6-7x=x-4 | | (5x-3)=(7x-5) | | n^2-3n-238=1 | | 2y-5=3y-3 | | 5+c/-4=7 | | 5/6x+3/8y=2 | | 12(k-(-5))=7-(1+3k)-6 | | a+2/3=-3/4 | | (x^2-10x)/3=-9 | | 7y/3-5/(2y)-y-4y/3-1/(3y)=0 | | -3(x+8)=7-2x | | 8x-5x-1=26 | | y=21(1.714285714)+12 | | 4k^2+11k-3=0 | | (1/x2)+(7/x)+10=0 | | 6.72+5.2x=-36.9 | | 6z-7=6z-z | | -3(3s-1)-3=-3(7s+3)-4 | | 1/5a+8=-3/5(a-15) | | 350+25x=80x+25x | | 8(3n+3)=8(8n+3)+4 | | 3x+7+x=47 | | 8x/9=2/3 | | 82=-2x+2(-5x+5) | | 6x+4x=9x+8 | | v-15n=-27 | | 3(2x-4)+(-1+x)=-7+2(2x+2)+x+x-20+x | | M/5-3=-7 | | -11x-2x+14x=89 | | k-24=-35 |