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)
8-7 = x/4 // - x/4
8-(x/4)-7 = 0
1-1/4*x = 0 // - 1
-1/4*x = -1 // : -1/4
x = -1/(-1/4)
x = 4
x = 4
| 12x-(7*2)= | | 23y=12x-42 | | 180/220= | | 3/5/8 | | 150/170= | | 42=12x-23y | | -1/6(n)=-33 | | -3-3=-5+x | | 4(2n-2)=(5n+3)+2 | | 18-12=2(x-9) | | 160/190= | | 34+5y-9=14y-10-2y | | 5/8=3y | | 2x-20=-3 | | z-10=5z-2 | | x+18+2x=-12-2x-15 | | 9[2-(2x-4)]=2(9-3x) | | 9u+(-12u)=8 | | 3x-4=10-5x | | 4x+5*6=15 | | 12/(x^2+3x)+7/x+4/(x+3) | | x=7x^2+3x+7 | | x-0.7=4.4 | | -20s-3=25s+1 | | 7.93-15.20v=.66v | | 1/5y=25x | | 12x-2(4x-9)=26 | | Y+10=9/4(X+9) | | 4(90-x)-129=180-x | | 11/x*(5/(x+5)-5/(x-5)) | | 7-2y=19+4y | | 4y-4=y-4 |