If it's not what You are looking for type in the equation solver your own equation and let us solve it.
21/4+21/4=0
We simplify the equation to the form, which is simple to understand
21/4+21/4=0
We move all terms containing to the left and all other terms to the right.
0=0-5.25-5.25
We simplify left and right side of the equation.
0=-10.5
0=-10.5
The left and right sides are not equal, therefore there is no solution. This equation is invalid.
| X-x/2-8=x/4 | | 4cos^3x=cosx | | y^3-6y^2+6.211180124=0 | | y-5.7=-0.95(x-2) | | 3cos^2x-x-1=0 | | X^2/25-y^2=1 | | 4x^2/3-3x^1/3=10 | | 30=4y+2y | | 3/x-1/7=5/x | | 15w-6w=54 | | 23-4=15 | | b-32=63 | | 3km*2km= | | 2(m+3)+3m=24 | | =2.5E-6 | | (-12.7z^3-14z)+(-8.9z^3+12z+2)= | | g(-3)=4x-3 | | 60=-16t^2+20t | | -3(2x-3)=(-6x+9) | | 5(y-2)/2=-2y | | -3+x+5=5 | | -2x-(3x+8)=6x-38 | | 12x+4=12x-2 | | x/2.3=6 | | 8x=-12+5 | | -11+x-4=2 | | (6/5x)-(8/x)=2 | | 2z-24=-28+4z | | (w^(1/2))/(w^(1/3)) | | 7t-7=-11+9t | | 3x+3.7x-1x= | | 3360/40 |