If it's not what You are looking for type in the equation solver your own equation and let us solve it.
(-21/2)/4 = 0
-21/2/4 = 0
-21/8 = 0
L <> R
| 10*(6+4)/2 | | 2s-15=45 | | 48-5w=11w | | 4(x-3)+3(x-4)=-1 | | 17+2m=19 | | 3-4x=3+5x | | X+2=5/9 | | 8d-9=63 | | 3xyz=24 | | 7=p+5-3p | | 2x+1/5=x-2/2 | | 5x+7=3+x | | W=.6w-20 | | 2x^2+6x+4=4x^2+12x+9 | | 2n+-7=3 | | 4m+6-6m=5-3m-9 | | -5x+5y=25 | | 10x^2=30 | | 1/5y-3=-13 | | 5[12-6(6-3a)-2a]=2(1-a) | | x/3=10+x/2 | | 2x-y=64 | | p=sl+2w | | 3(x-4)+4x=2(x+4) | | 7b^2+30b-25=0 | | 6(2n-3)=3(4n-6) | | |8-0.2x|=12 | | M-22=-12 | | 20x^2+64x-64=0 | | 32=(r-4) | | l+-3= | | 21n^2+150n-144=0 |