18=9+e

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Solution for 18=9+e equation:


Simplifying
18 = 9 + e

Solving
18 = 9 + e

Solving for variable 'e'.

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

Add '-1e' to each side of the equation.
18 + -1e = 9 + e + -1e

Combine like terms: e + -1e = 0
18 + -1e = 9 + 0
18 + -1e = 9

Add '-18' to each side of the equation.
18 + -18 + -1e = 9 + -18

Combine like terms: 18 + -18 = 0
0 + -1e = 9 + -18
-1e = 9 + -18

Combine like terms: 9 + -18 = -9
-1e = -9

Divide each side by '-1'.
e = 9

Simplifying
e = 9

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