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)
(2/7)*x-8 = (-5/7)*x-9 // - (-5/7)*x-9
(2/7)*x-((-5/7)*x)-8+9 = 0
(2/7)*x+(5/7)*x-8+9 = 0
x+1 = 0 // - 1
x = -1
x = -1
| 2x-23=12x-57 | | -4v+6=2(-2v+3) | | 3/7x+4=-4/7x+8 | | log(x)=6.6 | | -u+2=-8u+2 | | 2x+x-710=0 | | -5X+2+2X^2= | | 2+n=30-3n | | x^2+11x-32=5x-5 | | 5t-7=3t-1 | | 5-(-3+8)+x=6-(-3+2) | | 22y^2-37y+15=0 | | 25X^4-225X^2= | | -8(7-x)=8x-7 | | -32+47-y=18-(-3) | | 3x^2-2x=16 | | x/90=x8/9-5x/6 | | -x^2+15=19x-9 | | (X-6)(2X+5)=(X+10)(X-3) | | -9+(-15)+x=8-5-12 | | x+4/9+x-2/7 | | X^3-12X^2+20X= | | 6y^2-5y-2=0 | | 8x-3x+5=-1x-1 | | 5x=0.3 | | -2(3n-5)=2(8n-8) | | 3k^2+4k+2=0 | | 5x=0.81 | | Z+5.7z+5=6.2(z-2.5) | | x^2y^2-16xy+64= | | 17y=5y | | -6x+18=2(3x-9) |