7e-9=13.4

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Solution for 7e-9=13.4 equation: 


Simplifying
7e + -9 = 13.4

Reorder the terms:
-9 + 7e = 13.4

Solving
-9 + 7e = 13.4

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 + 7e = 13.4 + 9

Combine like terms: -9 + 9 = 0
0 + 7e = 13.4 + 9
7e = 13.4 + 9

Combine like terms: 13.4 + 9 = 22.4
7e = 22.4

Divide each side by '7'.
e = 3.2

Simplifying
e = 3.2

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