If it's not what You are looking for type in the equation solver your own equation and let us solve it.
4a+9+a=0
We add all the numbers together, and all the variables
5a+9=0
We move all terms containing a to the left, all other terms to the right
5a=-9
a=-9/5
a=-1+4/5
| x^2-66x+305=0 | | 3d=-10+5d | | -5b+6=-4b | | -3m+13=19/2 | | 10x^2=3x+4 | | 6y+4=-9 | | q+6=2q | | 11/33=6/x | | 4y-5=2 | | (8y+17)=(10y-1) | | 2y+2=-17 | | 8x+5×5x+3=40x²+49x²+15 | | 5y-33=3 | | 2w=4w-12 | | 17x-3(2x-7)=7x-3(2x-1) | | x–5=13/18 | | (9x-12)=150 | | 12=y=11 | | (9x+12)=150 | | 17x-(2x-7)=7x-3(2x-1) | | 6d+21=3d | | (9x+12)=120 | | 9x+0=8x=1 | | -x+(x^2-2)/(x+1)=9 | | 9x-0=8x-1 | | -4(-2x+1)=-3(3x-5) | | 2k−6=k | | 7x+3.9=6x+31 | | -3*(1-5x)=2(3x+2) | | 5n^2+5n-2550=0 | | 176=5x+x | | (2x-3)*7=5*(1-3x) |