-4e-9=28

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Solution for -4e-9=28 equation: 


Simplifying
-4e + -9 = 28

Reorder the terms:
-9 + -4e = 28

Solving
-9 + -4e = 28

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 + -4e = 28 + 9

Combine like terms: -9 + 9 = 0
0 + -4e = 28 + 9
-4e = 28 + 9

Combine like terms: 28 + 9 = 37
-4e = 37

Divide each side by '-4'.
e = -9.25

Simplifying
e = -9.25

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