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)
5/13-(2*x)-(8/13) = 0
5/13-2*x-8/13 = 0
-2*x-3/13 = 0 // + 3/13
-2*x = 3/13 // : -2
x = 3/13/(-2)
x = -3/26
x = -3/26
| 71=s-583 | | 1/2+2/3-7/4 | | 15(-0.2-2x)+4.8= | | 3x+2y+10=1x+4y | | (9x+4)+(7x-4)=180-36 | | 7x-5=20+3x | | x/2-4=0 | | -8y+35=-35 | | z/0.25-5-12 | | -9/-5 | | -25-3x=-8 | | -4-15= | | 2098=k-536 | | -9+3x+2x-3=-7 | | 4(x-6y)= | | 3r-17+7r=83 | | 3x-6+3x-6+2x+2x= | | 0=y-87.4 | | 4(2.5x-0.75)= | | 8+6y=9999999999 | | 3(-4x+8)= | | 134=7k-10+5*k | | -16/24 | | 6*8*9*2*4+34= | | X+29=5+4X | | 1.4n+64=85 | | 22-16= | | 2y+234=43566 | | 22+-16= | | 5.18=1.10+0.17y | | (4x^2)-(52x)+161=0 | | 4a-2-3a-8= |