If it's not what You are looking for type in the equation solver your own equation and let us solve it.
12+e=15
We move all terms to the left:
12+e-(15)=0
We add all the numbers together, and all the variables
e-3=0
We move all terms containing e to the left, all other terms to the right
e=3
| t-5=t=2510 | | 1988=-4x+2(-6x+3) | | 14=r-20 | | 4q−8=4 | | 2x^2-11=-25 | | -4v+34=-6(v-4) | | 5y-84=180 | | m-31=-6 | | d/4=9=-3 | | X=14y2-72y+95 | | 134=w-47 | | 3x-69=12 | | 6+2y=21 | | f(3)=0.15^3+3 | | 0.5/1=2/x | | 27=r-18 | | 134=w-;7 | | -7x+5=4x-6 | | x-18/100=100 | | 17-2x=-7x+2 | | 35x+3=49x-66 | | 5^5x−4=47 | | t=39t+4 | | x.88=-88,000 | | t-31=8 | | -2m+1000=4m+20 | | -3.7(-6f+16)=-2 | | 2x^2+4x-94=0 | | 0=55-(1.6*d) | | 3h=201 | | 60/16=45/x | | {3}{5}g-{1}{3}=-{10}{3} |