2e-9=-8.4

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Solution for 2e-9=-8.4 equation: 


Simplifying
2e + -9 = -8.4

Reorder the terms:
-9 + 2e = -8.4

Solving
-9 + 2e = -8.4

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 + 2e = -8.4 + 9

Combine like terms: -9 + 9 = 0
0 + 2e = -8.4 + 9
2e = -8.4 + 9

Combine like terms: -8.4 + 9 = 0.6
2e = 0.6

Divide each side by '2'.
e = 0.3

Simplifying
e = 0.3

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