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/8) = x-(2/7) // - x-(2/7)
2/7-(x/8)-x+3 = 0
23/7-9/8*x = 0 // - 23/7
-9/8*x = -23/7 // : -9/8
x = -23/7/(-9/8)
x = 184/63
x = 184/63
| -2x+5y=5x-9 | | 7bc=120+d | | 20x^2-26x+6=0 | | B=6/13y | | 139.62=5s+19.22 | | 7bc=120+b | | 20x^2-26x-6=0 | | Y=-17x+3 | | Y/19=3 | | Y=-17+3 | | (-3)(x-1)+8(x-3)=6x+7-5x | | -8+g=2 | | 31/3-1/5 | | 8x+2=x+1 | | 40=9x^2 | | u-6=9 | | -7m-2-4m-8=-88 | | 1/2(4a-16)=15 | | 8(m+3)-3m+1= | | -8x+15+6x+14=-5 | | 34=6n+10 | | 2cos^2-9cosx+4=0 | | -5b+2=b+8 | | -8r-5r-4r+6= | | x^4-5x^3=6x^2 | | 3(x-2)=y | | X^5+5x^4-x^3-37x^2-5x+60=0 | | 18-6x=-30 | | (s-t)•(s/t) | | n*1/n=1 | | 18u^5w^6+30u^2w^2x^2=0 | | 7x+2y=-52 |