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Simplifying
2e2 + -7 = 5
Reorder the terms:
-7 + 2e2 = 5
Solving
-7 + 2e2 = 5
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 + 2e2 = 5 + 7
Combine like terms: -7 + 7 = 0
0 + 2e2 = 5 + 7
2e2 = 5 + 7
Combine like terms: 5 + 7 = 12
2e2 = 12
Divide each side by '2'.
e2 = 6
Simplifying
e2 = 6
Take the square root of each side:
e = {-2.449489743, 2.449489743}
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