If it's not what You are looking for type in the equation solver your own equation and let us solve it.
3a+5-10a=0
We add all the numbers together, and all the variables
-7a+5=0
We move all terms containing a to the left, all other terms to the right
-7a=-5
a=-5/-7
a=5/7
| K/3-4=8-k | | 7|x=2|=-49 | | 48+x(9+3)=2 | | 9d=-3D+12 | | -55.04+b+39.99=-71.03 | | 6x+140=500 | | 5t^2-83=-48 | | −x−4=4x-544x−54 | | 1/7+x/7=3 | | 5k^2+540=0 | | 7k-5-4K+11=30 | | n^2-n=650 | | 100(0.75)^x=5 | | 12=3-3/4a | | |x–3|=12 | | x/1.6x+2=5.2 | | 13+30p+80=8-12p-14 | | 2y-80=65 | | 6d+1=19+9d | | -12(20x+15)=-5(3+18x) | | 3(3x-4)-5=x-3 | | -112(20x+15)=-5(3+18x) | | 2y-80+2y=180 | | X²+4x-6=0 | | -8+n=5n/4 | | 23x+14=15x+18 | | (x+1)²(x-3)²=15 | | 75=15-15x | | 75=15-x | | 6x+4=2x17 | | 2x-24=1-3x | | 6x+4=2/17 |