If it's not what You are looking for type in the equation solver your own equation and let us solve it.
+4A=78
We move all terms to the left:
+4A-(78)=0
We move all terms containing A to the left, all other terms to the right
4A=78
A=78/4
A=19+1/2
| x-3(2x-1)=11 | | m2=256 | | –10−6y=–8 | | 12x-6x+198=12x+114 | | 213=164-w | | 8.3-1.3(x+7.7)=10-3(x+6 | | 1/2(4h=8)=3h+6 | | 1/2(4h=8)=3h=6 | | 6h-15=11-12h-8 | | -7x+7(3x-7)=-31-4x | | 12x-6+198=12x+114 | | -(-6m-3-14m)-3(2m-4m)=267 | | 2d-5+39=90 | | 32+6u=14u | | 5(f+4)=4(f+6) | | 3x–6=3x–-6 | | 6(3a+1)-30=3(2a-3) | | p2=121 | | 2x+7=x+12 | | q2=16 | | 4x-1÷3=5 | | -v+122=270 | | 81=f2 | | 64=b2 | | 124-7+z=180 | | 7y-15=14 | | 12.1x+(-3.9)=10.8 | | 4=j2 | | 25=n2 | | -7-1×=5x-7-6x | | 3x+10-27=10 | | -5(x-1)-x=8-7x |