If it's not what You are looking for type in the equation solver your own equation and let us solve it.
w in (-oo:+oo)
1/7-(3/7) = (-4/5)*w+(6/5)*w // - (-4/5)*w+(6/5)*w
1/7-((-4/5)*w)-((6/5)*w)-(3/7) = 0
(4/5)*w+(-6/5)*w+1/7-3/7 = 0
-2/5*w-2/7 = 0 // + 2/7
-2/5*w = 2/7 // : -2/5
w = 2/7/(-2/5)
w = -5/7
w = -5/7
| x-2-x=4x-4-4x | | u+u=3-5 | | abs(4u-5)=abs(4u-9) | | 12x-16+48=14x+56-5 | | -5+13=3z-z | | 2n^2=258 | | log[2](5m-2)-log[2](m+3)=2 | | 4t+6t-9=180 | | 1/4(2x-12)=2/3+3x+9 | | 334.6397538*4= | | N^2=200 | | 46.09363*7.26= | | 14.6795*3.14= | | x^3-15x^2+71x-15=0 | | 3.14*4.675= | | 5x-6=98-8x | | 10x+2=2x+74 | | y^4-72y^2+512=0 | | 117-5x=22x+18 | | 23=-3(21-z)+2(z-2) | | (-6t+7)/(5t-11)=k | | 2p+5q=55 | | (-6t+7)/(5t-11) | | 4z-6z=6-4 | | 10x-15=360 | | 10x-15=180 | | 5w+3=3w+10 | | ((49-x^2)/(5x^3))/((28-4x)/(7x)) | | 8y-6=180 | | 4y+6-8y-3= | | 8x-4+6=7k+1 | | 2(x-7)=2f-14 |