7e-7=21

Simple and best practice solution for 7e-7=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 7e-7=21 equation: 


Simplifying
7e + -7 = 21

Reorder the terms:
-7 + 7e = 21

Solving
-7 + 7e = 21

Solving for variable 'e'.

Move all terms containing e to the left, all other terms to the right.

Add '7' to each side of the equation.
-7 + 7 + 7e = 21 + 7

Combine like terms: -7 + 7 = 0
0 + 7e = 21 + 7
7e = 21 + 7

Combine like terms: 21 + 7 = 28
7e = 28

Divide each side by '7'.
e = 4

Simplifying
e = 4

See similar equations:

| 9b+4=49 | | 3n-10=-13 | | 4g+10=-26 | | 5.1q-2.8-4.4q=-0.3q-5.5 | | 6(a+9)=90 | | -2h+7=23 | | -9k+10=82 | | 6x+15=-21+14x | | 14=9c-4 | | -6g+2=50 | | -6r+1=7 | | 7j-5=44 | | 3e-7=20 | | 2m-10=-20 | | 8t-3=-35 | | -7h+10=-53 | | 56/8+3+2x2 | | 2v+5=1 | | 4e+8=-16 | | 2d+7=-9 | | 8+6=216 | | 6d+5=29 | | -10s+9=69 | | -8b+4=76 | | 7y-6=-34 | | -5b+8=33 | | -3n+8=-1 | | 8g-5=-21 | | 4y+5=41 | | 2h-2=-14 | | 32x-18=78 | | -5u+2=-13 |

Equations solver categories