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)
(2*x)/3-(x/7)+3+4 = 0
11/21*x+7 = 0 // - 7
11/21*x = -7 // : 11/21
x = -7/11/21
x = -147/11
x = -147/11
| 6y-9=-2 | | -1/2-(-2/3)+1/3 | | -8/2.5= | | 0=3-n+4n | | x+1+3=6 | | 3/4x-7=11 | | 3+(2*x)/3+4-x/7=11/21 | | 4(x+-7)12=20 | | (7x/10)+(8/5)=(3x/5) | | y-(0.25)x=b | | -8v=-16 | | 9=m+6+2m | | x-0.85=111 | | -4/6b=5/9 | | -u/6=21 | | 7x-13+3x+43+4x+9=180 | | -x+5y=34 | | 4(x+-7)-12=20 | | -4/6b=2 | | -x+5y=24 | | (x/6)+(2X)=X-8 | | 5x-9=4x-9 | | y^7-256y^3= | | 3+2x/3 | | x+2+2=5 | | -56=-y/8 | | 1/6(12x-18y+24z) | | 7x-23=-4x+10 | | (13b-9)-4(3b+1)=-2 | | 2y+6=14 | | (c+8)/4=16 | | -185+35x=-500 |