If it's not what You are looking for type in the equation solver your own equation and let us solve it.
z in (-oo:+oo)
12.4/8 = z/10 // - z/10
12.4/8-(z/10) = 0
1.55-1/10*z = 0 // - 1.55
-1/10*z = -1.55 // : -1/10
z = -1.55/(-1/10)
z = 15.5
z = 15.5
| x(2x+3)=14 | | 6sin^2x-6=0 | | (5t^2-t-9)(5t^2+5t-1)= | | (x-4)(x-4)+6=0 | | (x+4)/5+(x-1)/4=37/10 | | 3+5y=4 | | 2x+2x^2=48 | | x^2+1+2x+x^2=49 | | 2x^2+1+2x=49 | | =2ln(2)+lnx | | 2x*2+1+2x=49 | | 12x=4(6x-21) | | 2x+1+2x=49 | | 37y=4(9y+121) | | 5x-16=-51 | | x^3-x^2-9x-6=0 | | 4/7x+14=4/x+2-6/7 | | 22-4= | | 9x^2+8=0 | | 25x+125=55-5y | | 6a+5b= | | 19x-4=-(-15) | | 4w-6w=-18 | | 8t=-24 | | sin(2x)+sin(6x)=sin(8x)+sin(4x) | | 2(x-1)(x+4)=0 | | (-2^1/4/3^-2/3)^-2/5 | | 3x^2-19x+11=0 | | (9X+5/3X+10)-(3X+7/X+6)=0 | | 12=4x-6-3x | | (-2/-3^-1/2)^-1/4 | | (2/3^-1/2)^-2/3 |