If it's not what You are looking for type in the equation solver your own equation and let us solve it.
2(a)=12
We move all terms to the left:
2(a)-(12)=0
We move all terms containing a to the left, all other terms to the right
2a=12
a=12/2
a=6
| 2x+5x-16=2x-4 | | -4=3m | | 211=66-y | | 7b-64=b+93 | | 22−5(6x−1)=−63 | | -8(-7x+2)-9=9(3x+6)+6 | | -10+5(7s+8)=-4 | | 3x-5=x+8+19 | | d/6+31=36 | | 2x+9+3x-14=14x-31 | | H(12)=2x+17 | | 2x×x=120 | | -(x+30+3/4x+5=0 | | B(1)=7,B(n)=B(n-1)-5 | | 4(7-x)+3=5x-5 | | s+69=4s+6 | | 6(5x-2)=-72 | | 3+9=14-x | | 19x+8=3x-5 | | x=10.5(3x-x)+4x-90 | | 1/7x+2=-2 | | x-3/5=-6 | | 5x-5=14x-31 | | x/1000=450 | | 7x+2+3x+30=125 | | 2w-9=-19 | | 5x-5=14-31 | | 6b+13=6(b+1) | | 53=3(y-2)-2(3y-1 | | −5x−7=x+17 | | 26x-40=19x | | 3(2x-1)=13-2x |