If it's not what You are looking for type in the equation solver your own equation and let us solve it.
20a=12
We move all terms to the left:
20a-(12)=0
We move all terms containing a to the left, all other terms to the right
20a=12
a=12/20
a=3/5
| 4b^2+20b-40=0 | | 0=12x^2-8x+35 | | 11u-3u=16 | | 3(4-2x)+9x=2(x-9) | | 30x+50=8 | | 9x+6+x=1+5x+0 | | 6x=21-6x | | 27=5x+4× | | 8v-v=49 | | 7x-32=56+3x | | 5x+10=28—x | | 5x+10=28— | | 7(x+4)=31 | | 11w-4=42 | | 56=3w+5w | | 4y+y=215 | | 5u+4u=81 | | 27=10u-u | | 4x+10-2x+600=10 | | 17+x+4x-67=120 | | 13-8+10x+30=3-6x | | 3x+7=15-3x | | x=2/6=2/3 | | 5(2n+7)=6n+11 | | X=1/5y-2 | | (5/3)-(20/x)=0 | | 1/4y-10=50 | | 0.25x+0.33x+15=x | | -2=-4(-7y+1)+5(8+2y | | n/2+1/5=2/3 | | 17x+8=17x-175 | | 4-3a-10-2a=-15 |