9e-9=72

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Solution for 9e-9=72 equation: 


Simplifying
9e + -9 = 72

Reorder the terms:
-9 + 9e = 72

Solving
-9 + 9e = 72

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 + 9e = 72 + 9

Combine like terms: -9 + 9 = 0
0 + 9e = 72 + 9
9e = 72 + 9

Combine like terms: 72 + 9 = 81
9e = 81

Divide each side by '9'.
e = 9

Simplifying
e = 9

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