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Simplifying
7s2 = 140
Solving
7s2 = 140
Solving for variable 's'.
Move all terms containing s to the left, all other terms to the right.
Divide each side by '7'.
s2 = 20
Simplifying
s2 = 20
Take the square root of each side:
s = {-4.472135955, 4.472135955}
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