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)
7*((x+4)/7)-4 = 0
(7*(x+4))/7-4 = 0
(7*(x+4))/7+(-4*7)/7 = 0
7*(x+4)-4*7 = 0
7*x = 0
(7*x)/7 = 0
(7*x)/7 = 0 // * 7
7*x = 0
7*x = 0 // : 7
x = 0
x = 0
| 5w^2+19w-1=o | | .20x+50=.30x | | t=r+k/4*w | | x-60+y=1362 | | |6x|=18 | | 2x+5y+7z=14 | | X-27=12 | | x-602+y=136 | | 7((x+4)/7) | | 2s-25=-17+6s | | 2x/2-x=x/10-21/2 | | |x+2|-3=9 | | (k-7)2=42 | | 1-8n=-2n-5 | | 4|x-5|=12 | | y=-2x^2-4x-3 | | 1/5x=19 | | 3/5+3y=4y-2/15 | | X+4/10=-1 | | 5x-16-8n=-10 | | k=0.5n | | -n+3(4n+4)=-1+4(3+3n) | | |x+3|=20 | | 3|x|=24 | | -3(b-2)=5 | | 3=116-7f+-139 | | -32x+4y=-12 | | 20=x^2-2x | | -4.9t^2+43.4t+6.3=0 | | 13+7p=-1-(1-4p) | | y=2x^2-8x+10 | | 9=9x-7 |