3e-9=-138

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Solution for 3e-9=-138 equation: 


Simplifying
3e + -9 = -138

Reorder the terms:
-9 + 3e = -138

Solving
-9 + 3e = -138

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 + 3e = -138 + 9

Combine like terms: -9 + 9 = 0
0 + 3e = -138 + 9
3e = -138 + 9

Combine like terms: -138 + 9 = -129
3e = -129

Divide each side by '3'.
e = -43

Simplifying
e = -43

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