2e-7=12.4

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Solution for 2e-7=12.4 equation: 


Simplifying
2e + -7 = 12.4

Reorder the terms:
-7 + 2e = 12.4

Solving
-7 + 2e = 12.4

Solving for variable 'e'.

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

Add '7' to each side of the equation.
-7 + 7 + 2e = 12.4 + 7

Combine like terms: -7 + 7 = 0
0 + 2e = 12.4 + 7
2e = 12.4 + 7

Combine like terms: 12.4 + 7 = 19.4
2e = 19.4

Divide each side by '2'.
e = 9.7

Simplifying
e = 9.7

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