If it's not what You are looking for type in the equation solver your own equation and let us solve it.
u in (-oo:+oo)
14.9 = u/4-2.1 // - u/4-2.1
2.1-(u/4)+14.9 = 0
17-1/4*u = 0 // - 17
-1/4*u = -17 // : -1/4
u = -17/(-1/4)
u = 68
u = 68
| 7e+17=10 | | x^2+2x+2=2x | | p^2+40P-3200=0 | | F(39)=0.81x+168.3 | | -7(s+9)=40 | | orF(36)=0.81x+168.3 | | 2^n(1/((2^n)^(5/4))) | | 6f-3=29 | | 3w-2.4=2.4 | | 4x+3-2x=-6 | | n^2+17n-140=2n-4n | | 3r+6=r+29 | | 11c=121 | | 9t+2=29 | | x/5=9.2 | | 14v^2+46v-47=-7 | | 8h-6=-141 | | 3z^2+10zi=3 | | 13.5-6.7=8.7 | | -7/4w=14 | | -20=-2q+4 | | 3e^3x+3=35 | | 6t+14=19 | | 13-n= | | -13x+2x=-39+12x | | B-380=-236 | | x^6-6x=0 | | 18.7j-15.25=4.5j+6.83+15.4j | | 18.7j-7.8=8.8 | | 3y^2+18y-25=-3 | | -3D-11=33 | | 5q+6=-69 |