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)
(2/5)*c = -6 // + 6
(2/5)*c+6 = 0
2/5*c+6 = 0 // - 6
2/5*c = -6 // : 2/5
c = -6/2/5
c = -15
c = -15
| a+2b-c=-11 | | 3(2+7)=3(2)+7 | | (2x+3)(4-y)= | | 33-2x= | | 5-18m*4=-36 | | 5a-2b-3c=5 | | -6a+3b+4c=30 | | (x^4)-44(x^2)-45=0 | | (100-2.5x)/(-2.5x)1 | | 3x+4y-7z=10 | | Cuz-6x+3y-18=0 | | 4x+56=2(6x+4) | | 3+5x=-21+x | | -x+3y-2z=1 | | 110/25 | | x+1.2= | | 4x(a-8)-3(8-a)=0 | | 150=8x+9 | | z-2.7=5.3 | | 4c+8a=140 | | 3(y-8)-3=-3(-8y+7)-6y | | 3x+6=451 | | X^-5x1/(4X^5)^-2 | | 2/3.x-1= | | -3(c+5)=10 | | -32=4(v-2)-7v | | 2x+5(x-10000)=55000 | | x-36=36/4 | | 2x+(0)=4 | | 32x+25-21x=10x | | 24x^3-6x=0 | | e^4x-100=0 |