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)
-15 = x-4/5 // - x-4/5
-x-(-4/5)-15 = 0
4/5-x-15 = 0
-x-71/5 = 0 // + 71/5
-x = 71/5 // * -1
x = -71/5
x = -71/5
| x-x+5y+2y=8-1 | | 1/2+x=-45 | | (4x+3)/(2x-7) | | X=50-4x | | 4x+3/2x-7 | | x-9.5=6.5 | | 4x+20=5x+40 | | -1/3+6/5v=-1/2 | | 9.36=1.2y | | 6x^2-30x-18= | | 6n^2-8n-48=8 | | X+7=57-4x | | n-14.6=45 | | 4x+16=x^2 | | 10+x=19.6 | | 2x-2+6x=6 | | 3v^2-9v=5 | | 6.8x=61.2 | | 1y+5y+11=35 | | 9+5+5= | | 8x+6y=36 | | 6x^2-12x=-5 | | (5n-15)/(4n^2-16n+16)=(1)/(4n-8)+(3)/(2n-4) | | 7x-2-5x=2x+2 | | -9.5(b+1)=-4.5b+15.5 | | 74.6+c=82 | | 2y-3y-x+x=5-9 | | 3/5x+12=4/6x-2 | | 6x+3=8+x | | x^3-5x+3=15 | | 1/3(4b+1)=5 | | x^3-5x+3=22 |