9+e=20

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Solution for 9+e=20 equation: 


Simplifying
9 + e = 20

Solving
9 + e = 20

Solving for variable 'e'.

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

Add '-9' to each side of the equation.
9 + -9 + e = 20 + -9

Combine like terms: 9 + -9 = 0
0 + e = 20 + -9
e = 20 + -9

Combine like terms: 20 + -9 = 11
e = 11

Simplifying
e = 11

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