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Simplifying
5e2 + 15 = 80
Reorder the terms:
15 + 5e2 = 80
Solving
15 + 5e2 = 80
Solving for variable 'e'.
Move all terms containing e to the left, all other terms to the right.
Add '-15' to each side of the equation.
15 + -15 + 5e2 = 80 + -15
Combine like terms: 15 + -15 = 0
0 + 5e2 = 80 + -15
5e2 = 80 + -15
Combine like terms: 80 + -15 = 65
5e2 = 65
Divide each side by '5'.
e2 = 13
Simplifying
e2 = 13
Take the square root of each side:
e = {-3.605551275, 3.605551275}
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