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Simplifying
81b2 + 10 = 19
Reorder the terms:
10 + 81b2 = 19
Solving
10 + 81b2 = 19
Solving for variable 'b'.
Move all terms containing b to the left, all other terms to the right.
Add '-10' to each side of the equation.
10 + -10 + 81b2 = 19 + -10
Combine like terms: 10 + -10 = 0
0 + 81b2 = 19 + -10
81b2 = 19 + -10
Combine like terms: 19 + -10 = 9
81b2 = 9
Divide each side by '81'.
b2 = 0.1111111111
Simplifying
b2 = 0.1111111111
Take the square root of each side:
b = {-0.333333333, 0.333333333}
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