3e-1=12.2

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Solution for 3e-1=12.2 equation: 


Simplifying
3e + -1 = 12.2

Reorder the terms:
-1 + 3e = 12.2

Solving
-1 + 3e = 12.2

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 + 3e = 12.2 + 1

Combine like terms: -1 + 1 = 0
0 + 3e = 12.2 + 1
3e = 12.2 + 1

Combine like terms: 12.2 + 1 = 13.2
3e = 13.2

Divide each side by '3'.
e = 4.4

Simplifying
e = 4.4

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