4e+9=21

Simple and best practice solution for 4e+9=21 equation. Check how easy it is, and learn it for the future. Our solution is simple, and easy to understand, so don`t hesitate to use it as a solution of your homework.

If it's not what You are looking for type in the equation solver your own equation and let us solve it.

Solution for 4e+9=21 equation: 



4e+9=21

We move all terms to the left:

4e+9-(21)=0

We add all the numbers together, and all the variables

4e-12=0

We move all terms containing e to the left, all other terms to the right

4e=12

e=12/4

e=3

See similar equations:

| 2/8q=-1/2 | | 4(2a+1)-9a=7 | | 0.4n+0.4n=-5.04+1.7n | | 4/x-5=10/15 | | 18(x)=12(x)+75 | | 2u-u-6=-8 | | 90-4.75(x)=75-3.25(x) | | g=2g-17 | | -8(v+6)=-6v-46 | | 20.58+13x=25 | | 5w+18-14=15w-16 | | 20/3x=5/4 | | 90-4.75(x)=3.25-0.50(x) | | 25-13x=20.58 | | 4.75-0.75(x)=3.25-0.50(x) | | 5w+18–14=15w–16 | | 5r+6=29r+14 | | -x+7=x-3 | | 4.5=-1.5m | | -6a+3=39 | | 18-0.75(x)=12-0.50(x) | | 9x+-14=11 | | 39=c.3 | | 9.8z+18.62=4.9z | | 10x-6+5x=4(6x-3)+3 | | 5h-4=31 | | 75+6.25(x)=90+4.75(x) | | -30=12d | | -16(-6x+4)=6 | | -8n+18=2-9n | | 3.25+0.50(x)=4.75+0.75(x) | | 18-6(3x-4)=-6 |

Equations solver categories