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+x+18/6+57/7 = 15 // - 15
3*x+x+18/6+57/7-15 = 0
4*x-27/7 = 0 // + 27/7
4*x = 27/7 // : 4
x = 27/7/4
x = 27/28
x = 27/28
| K=9r-s | | (3t+1/3)=(t+7/6)+(t-5/6) | | 12b-9+26-b=-87 | | (2k+1)(k^2+4k+4)=0 | | 37+20x= | | -2-2/5=-22/5 | | 4x+1=2x-31 | | 15/20=x/30 | | 5/8m=20 | | 8=3+5(7-2) | | (2x+4)(5x+10)=0 | | 17-2a=11 | | 194-w=239 | | 2/5r+4/5r | | y+3y=2y+6 | | Y-4=6X | | -10x+6y=9 | | 169=-y+89 | | 20-19=30 | | 7/8x=0 | | 20x+4y=-44 | | 95-3x^2=0 | | -2+g=-33 | | -18+h=-8 | | a*b=a-3b | | ax=10-bx | | x^2+8x+35=0 | | 21/10x=223/30 | | 9d+9=7d+27 | | 5/2n=8/3n-20 | | 198-u=54 | | -7=x-13/4 |