If it's not what You are looking for type in the equation solver your own equation and let us solve it.
4e/5=20
We move all terms to the left:
4e/5-(20)=0
We multiply all the terms by the denominator
4e-20*5=0
We add all the numbers together, and all the variables
4e-100=0
We move all terms containing e to the left, all other terms to the right
4e=100
e=100/4
e=25
| 1÷2(x-6)=3÷5x | | 4e/5=20 | | 3x-6/7=9 | | 5(3x+1)=-4(5x-4)-3x | | -4(x+4)-3=-43 | | -6(5x-5)=-90 | | a²+149=-40 | | 4y^2+16y=7 | | 2x-(3x-16-2x)=+4 | | 34=2+5d | | x-(0.1*x)=7500 | | -6=36(x-7) | | X(2)+(0.2x(3))=0 | | 12x+13=13x−13 | | 3x²+30+21=0 | | 2x^2+x+-21=18 | | 7x^2+2x-16=0 | | (x÷4)÷3=6 | | 5w+5.2=28 | | 5x*x-12x-108=0 | | 6x+19-8=13 | | x-4(x)^(1/2)+3=0 | | x-4(x)^0.5+3=0 | | x-4(x)^1/2+3=0 | | 2x–5=x–9 | | X*(x+4)=320 | | -7-5z=17+5z | | 2=1/3x−1/2x+2/3x | | -(8/x)=6 | | 70+4y+50=180 | | -3x-7x-10=22 | | 5×14+4y+5×14-20=180 |