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)
x/5+x/8 = 13/40 // - 13/40
x/5+x/8-(13/40) = 0
x/5+x/8-13/40 = 0
13/40*x-13/40 = 0 // + 13/40
13/40*x = 13/40 // : 13/40
x = 13/40/13/40
x = 1
x = 1
| 3(1-y)+4(y-5)=10 | | x^2+y^2=r^2 | | (1/3)x=(11/15)x+(4/5) | | y=-5/4(-1.25)+5 | | 0.60x+0.05(12-x)=0.10(-5) | | 0.9x-1.2=2.2x+2.4 | | -5/4(-1.25)+5 | | (2n-7)(-4n-5)= | | 2t+7=15 | | 4t^2/3+28t^1/3+49=0 | | 0.50+0.45(70)=38.5 | | 2x+15=27+4x | | -4/9m=-12 | | -3-(6-2p)= | | 0.6x+5.2=3.1 | | -5/4x+5 | | ((4+3x)/3)+((5-x)/2)=(29/6) | | 3z-8=5 | | (2/7)x-(4/3)=((3x+3)/2) | | 1/2y=2x-5 | | 4w-5=11 | | ((x+5)/4)=(x/2)+(7/12) | | -3-(6-29)= | | ((x-3)/5)=1-(x/3) | | 3x-2(2x+3)-4= | | 3x+(5/8)=4x-(5/8) | | 5-(1/15)x=(1/10)x | | 1/2*1/4*3^2 | | 7(x-8)+43=2(x-4) | | 3x+77=77-4x | | 4-3(x+1)=9+x | | -3x+12=-3(2x+3) |