12+e-13=8

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Solution for 12+e-13=8 equation: 


Simplifying
12 + e + -13 = 8

Reorder the terms:
12 + -13 + e = 8

Combine like terms: 12 + -13 = -1
-1 + e = 8

Solving
-1 + e = 8

Solving for variable 'e'.

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

Add '1' to each side of the equation.
-1 + 1 + e = 8 + 1

Combine like terms: -1 + 1 = 0
0 + e = 8 + 1
e = 8 + 1

Combine like terms: 8 + 1 = 9
e = 9

Simplifying
e = 9

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