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)
(7/3)*x+(1/3)*x = 2*x+(5/3)*x+12/3 // - 2*x+(5/3)*x+12/3
(7/3)*x+(1/3)*x-(2*x)-((5/3)*x)-(12/3) = 0
(7/3)*x+(1/3)*x-2*x+(-5/3)*x-4 = 0
-x-4 = 0 // + 4
-x = 4 // * -1
x = -4
x = -4
| 3/8+3/12 | | 13(-1)-4(2(-1)-5)=15 | | 10.8x-3.7x=113.6 | | 1/5r=22/3 | | 53/8+23/12 | | 8y+13n-19y= | | 1/2=12/27+2 | | -4(n-3)=10n | | 13x-8y=121 | | 2(r-4)=6r | | 4s-4=-28+s | | 14y^3-18y^2-20y= | | 1.25(x-9)=13/4 | | -24z-27=-17+15z-25z | | 12a-8=4+6a | | 14-w/8+3w/4-21 | | (1/9)-(5/3x)+25x^2 | | 2c-6=3c+2 | | 2c-6=3c-2 | | 7n-5=26 | | S=vt+gt^2 | | 21-6x=x | | (1/3)+5x | | -3t=t+4 | | 4s-4=28-4s | | 10y^3-16y^2-42y= | | y-1=7(x-3) | | .3(t-.2)=.4t | | 3/8+9/20m=23/20+7/8m | | 56x-.05x^2=4x+931.5 | | -2(p+14)=-8 | | 8v+1=7u-20 |