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Simplifying
20b2 = 5
Solving
20b2 = 5
Solving for variable 'b'.
Move all terms containing b to the left, all other terms to the right.
Divide each side by '20'.
b2 = 0.25
Simplifying
b2 = 0.25
Take the square root of each side:
b = {-0.5, 0.5}
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