If it's not what You are looking for type in the equation solver your own equation and let us solve it.
a in (-oo:+oo)
(1/5)*(10*a-15)-((1/2)*(4*a+8)) = 0
(1/5)*(10*a-15)+(-1/2)*(4*a+8) = 0
1/5*(10*a-15)-1/2*(4*a+8) = 0
1/5*(10*a-15)-1/2*(4*a+8) = 0
-7 = 0
-7 = 0
a belongs to the empty set
| 3(-3)-(-5)= | | 8.2x-4.9x=99 | | 17.5=5x | | 8=-24+4r | | 2x-14=6x+10 | | 4+-8=0 | | 7+1-9-2+12= | | a+(a-3)=(a+2) | | Ix+5I=7 | | y-(-3)=7/3(x-(-3)) | | g(0)=4x+2 | | 6x+5=73 | | -1.2(-3.27)= | | g(-1)=4x+2 | | 5rs-3s=10 | | 38+3y-15=13y-13-4y | | -3x-41=4x-7 | | 3x-(x-12)=2 | | -32=-2+5y | | 5y-(2y-12)=25 | | -33=-2+5y | | 0.75*1x=1x-180 | | 3(-4/21) | | 8/3x=12 | | 8/3x=11 | | 7x-9=8x+4 | | -7x-31=-4 | | 5x(3x-29)=69 | | 60=6x-3(7x+20) | | 7/3(x-(-3)) | | 0.25*1x=1x-180 | | 3x+5y+7x-3y=0 |