If it's not what You are looking for type in the equation solver your own equation and let us solve it.
7=e-13
We move all terms to the left:
7-(e-13)=0
We get rid of parentheses
-e+13+7=0
We add all the numbers together, and all the variables
-1e+20=0
We move all terms containing e to the left, all other terms to the right
-e=-20
e=-20/-1
e=+20
| 7=e=13 | | (3y-1)=90 | | 3x-6+7x=-2+4x-4 | | 29^x=3^{3x-1} | | 3=a-14 | | 12/16=21/b | | z+15=29 | | H=8t+10t*t | | .20b-40=-2 | | 30+0.57m=100.11 | | $30+0.57m=$100.11 | | r2=216 | | 17.2b-11.2=15b | | 2y-3X4=6y+2 | | 8/x=16/7 | | -x-6=-x+x | | 3/j=4 | | 13-3x+5x=5-x-4 | | 2(3g+2)=1/2(12g+5) | | 8x+57=-37 | | 4.97x+3.14=13.43 | | -8x+8x=4x-4x | | x3=40 | | (2y+3)2=25 | | 8+3x=8+x+2x | | 20x-32=4x+16 | | 6.5+3(r-1.5)=19.4 | | 20x-32=4x+14 | | 5y-2=10-y | | 20x-32=4x+12 | | 9x+46=7x=34 | | x2-5=25 |