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^2-((1/2)*x) = 0
7*x^2+(-1/2)*x = 0
7*x^2-1/2*x = 0
DELTA = (-1/2)^2-(0*4*7)
DELTA = 1/4
DELTA > 0
x = ((1/4)^(1/2)+1/2)/(2*7) or x = (1/2-(1/4)^(1/2))/(2*7)
x = 1/14 or x = 0
x in { 0, 1/14 }
| -12x+(-4)+12x+12=66 | | y+10=3x+20 | | -12x+(-4y)=6 | | m/3+5 | | y=3x+0 | | 4s+23=s | | 54x-6y=48 | | x^3-10x^2+3x+96=0 | | .5(8-x)=6 | | x/m=p | | x+x=t | | -12x+(-4+12x+12)=66 | | 4y-3=87 | | 55+66= | | nx=p | | x+66=x+136 | | tx=y | | -12x+(-4y)+12x+12=66 | | y/7=20.1 | | rx=s | | 1/7f-5.5=9/14 | | 15/1/7 | | 15/1 | | -3.1+y/7=-18.8 | | fx=g | | 1(-12x-4y)=6 | | -7v/6=-14 | | 6u=-12/5 | | 3x+18=5x+3 | | 5-21=-4z | | 1(-12x-4y)=1(6) | | 12=-4/3w |