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*x = 270/15 // - 270/15
3*x-(270/15) = 0
3*x-18 = 0
3*x-18 = 0 // + 18
3*x = 18 // : 3
x = 18/3
x = 6
x = 6
| 2r^2-14r=88 | | 300=x+0.02*x | | 2x^2-4x=o | | 3z^3+6z^2= | | 1/2-1/6x=1/6 | | a(dy/dx)-ay=y-x(dy/dX) | | 3r+5/2-2=13 | | h=-16t^2+Vot | | t+2/2-1/4=1 | | 7+7x=-29+x | | 3(2n+5)=3(n+7) | | 2c-7-6c=-15 | | 12abc=12abc | | 3x-9=6x+18 | | 12x+3y=72 | | 7n^2-280=21n | | p=22+132 | | 9(x-2)=108 | | 2t-21=39 | | 3n+15=21 | | 8x^2-35x-4=0 | | 35-4x=11-10x | | -5+1-2n+n-4=5 | | .2x+2.25=7.65 | | (b+5)2.5=-4 | | -20=-5+5x | | 432x=200000 | | 7z-20=7z-20 | | 7=4w+3w | | 2r^2=8r+192 | | xsquared-7=9 | | 36=18v-9v |