If it's not what You are looking for type in the equation solver your own equation and let us solve it.
X in (-oo:+oo)
(X-5)/3-1 = (X-12)/4 // - (X-12)/4
(X-5)/3-((X-12)/4)-1 = 0
(X-5)/3+(-1*(X-12))/4-1 = 0
(4*(X-5))/(3*4)+(-1*3*(X-12))/(3*4)+(-1*3*4)/(3*4) = 0
4*(X-5)-1*3*(X-12)-1*3*4 = 0
X-12+16 = 0
X+4 = 0
(X+4)/(3*4) = 0
(X+4)/(3*4) = 0 // * 3*4
X+4 = 0
X+4 = 0 // - 4
X = -4
X = -4
| 10x-5=12x+9 | | x/-3- | | =((15y^-4)*(24y^10))/6y^7 | | ((15y^-4)*(24y^10))/6y^7 | | 3(a+2)-7=13-(56) | | 3/12=x/7 | | 3q^2-24q+40=0 | | x-12+2x-34=6x+23 | | 7(3-5x)-7x=-2x-4(-3x-8x) | | f(n)=n/2 | | 45.87+-49.36= | | f(n)=3n+9 | | f(n)=-5n+6 | | m(3m+3)= | | 3*(4+6)-5-12= | | 4p+2q-3p-3q= | | 12h-15=3(4h-5) | | 7(3-5x)-7x=-2-4(-3x-8x) | | X/2-(-10)=-20 | | 8-9+6= | | x^3+bx=0 | | 7m+5=7m-2 | | [3*(4+6)-5]-12= | | Y=1+0.75Y+1-0.3r+3.5-1-0.1r | | -34=6+25 | | y=8x^3+3x^2-1 | | 4x^2+x-17= | | 11v-9v=8 | | 7h+4r-3h= | | 1/3y=-x | | f(x)=4x^2+8x+3 | | -10x+5y=-30 |