If it's not what You are looking for type in the equation solver your own equation and let us solve it.
D( c )
c = 0
c = 0
c = 0
c in (-oo:0) U (0:+oo)
7/c+3 = 0
7*c^-1 = -3 // : 7
c^-1 = -3/7
-1 < 0
1/(c^1) = -3/7 // * c^1
1 = -3/7*c^1 // : -3/7
-7/3 = c^1
c = -7/3
c = -7/3
| x+(4x-30)=x+(3x+10) | | 15-3y=6 | | -3x+9=-6x-5 | | -2.6*7.8+1.2y=7.8 | | -14x+47=-7x+5-4x | | -2.6*-2.6+1.2y=7.8 | | (y+5)+1=4y | | y+5+1=4y | | 4.2*-9.1+2.5y=-9.1 | | (4/12)+(2/21) | | (x-4)+5=0 | | x+39=2x | | 4*-8.5+3.7y=-8.5 | | 6x-5=3x-3 | | 4x+3.7(4)=-8.5 | | 6x+12+15-10x=7-2x | | 2x+5=25+x | | 10x-6=12x-20 | | 2x+6=3x-8 | | x-4+5=0 | | 3(x+5)-8whenx=9 | | x+8=x-12 | | 3(x+5)-8x=9 | | -27=12x+27 | | 2*-82+8=3*-82+90 | | 27=12x+27 | | 2x+8=3x+90 | | 98+2= | | 4x*5+8=3x/8-13 | | x+14=2x | | 19/17=342/306 | | 19*18=17*18 |