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)
3/10 = x/9 // - x/9
3/10-(x/9) = 0
3/10-1/9*x = 0 // - 3/10
-1/9*x = -3/10 // : -1/9
x = -3/10/(-1/9)
x = 27/10
x = 27/10
| logx(4)=1/2 | | 6=y+5*cos(y) | | 4(7+x)=52 | | Y*1.666666666666=y+10 | | 12+v=5v-33 | | x^2+7x-249=0 | | 120=5x+45 | | x+2x+x+12+x-9=117 | | Y*1.66666666=y+10 | | 15-3x=12x+5 | | y-3=3/2(x-1) | | 2x^3+17x^2+25x-50=0 | | 2x+3x-4=4 | | x=3x^2-12x+1 | | 4x^2+4y^2=32 | | x=3x^2-12+1 | | n-9n+8=0 | | 1+y=700 | | 48.1/7.4 | | 1.50+5.00=14.50 | | 1+1+= | | sqrt(7x^2+15x)(-2x)=5+x | | 10x+12=75 | | -14x+-7+15x-12=0 | | 3(x-5)=9-3x+6+8+3x+7 | | 4.50+2.00=20.00 | | 4x+30=642x | | Ln(X+4)+ln(X-9)=ln^14 | | 6y+13=47 | | -19=-9-2x | | -3=3/2(x-1) | | f(x)=sin(2x^2) |