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/900 = 3.55/15 // - 3.55/15
x/900-(3.55/15) = 0
x/900-0.23666667 = 0
1/900*x-0.23666667 = 0 // + 0.23666667
1/900*x = 0.23666667 // : 1/900
x = 0.23666667/1/900
x = 213.000216
x = 213.000216
| -(3f+1)(3f+1)= | | 6(8-3)+3(7-4)= | | 5x^2-6=-1 | | 6(8-3)+(7-4)= | | 4x^2+5x-200=0 | | .25x-12=1.25x+6 | | -9(-15x-5)=990 | | -(3f+1)2= | | 3(x+18)=10 | | 3z-2=-47+8z | | y=6ln(10)-6ln(1) | | 3(14-7)-16= | | 5x-20=-30 | | 2(5+8)=10+k | | 3n^2=-24+18n | | 2m+39=8m-3 | | 2x^2-24=-6 | | x^2+4=8x | | 0=x^2+7x-5974 | | -78+6n=18(n+9) | | 8=-d+20 | | 2+400=240+x | | 10=3y+2-6y+17 | | 4x+2y-3z=-4 | | 16x+6=38 | | 25x+164=-436+13x | | X=30-3Y | | h=-16x^2+24x+1000 | | -6k+ar=r-4y | | 8(2+4)+16= | | y=7x/8-3x | | 9x^2-4x-44=0 |