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Simplifying
7n2 + 5 = 453
Reorder the terms:
5 + 7n2 = 453
Solving
5 + 7n2 = 453
Solving for variable 'n'.
Move all terms containing n to the left, all other terms to the right.
Add '-5' to each side of the equation.
5 + -5 + 7n2 = 453 + -5
Combine like terms: 5 + -5 = 0
0 + 7n2 = 453 + -5
7n2 = 453 + -5
Combine like terms: 453 + -5 = 448
7n2 = 448
Divide each side by '7'.
n2 = 64
Simplifying
n2 = 64
Take the square root of each side:
n = {-8, 8}
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