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Simplifying
81x2 + 17 = 81
Reorder the terms:
17 + 81x2 = 81
Solving
17 + 81x2 = 81
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Add '-17' to each side of the equation.
17 + -17 + 81x2 = 81 + -17
Combine like terms: 17 + -17 = 0
0 + 81x2 = 81 + -17
81x2 = 81 + -17
Combine like terms: 81 + -17 = 64
81x2 = 64
Divide each side by '81'.
x2 = 0.7901234568
Simplifying
x2 = 0.7901234568
Take the square root of each side:
x = {-0.888888889, 0.888888889}
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