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Simplifying
81x2 + 3 = 52
Reorder the terms:
3 + 81x2 = 52
Solving
3 + 81x2 = 52
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Add '-3' to each side of the equation.
3 + -3 + 81x2 = 52 + -3
Combine like terms: 3 + -3 = 0
0 + 81x2 = 52 + -3
81x2 = 52 + -3
Combine like terms: 52 + -3 = 49
81x2 = 49
Divide each side by '81'.
x2 = 0.6049382716
Simplifying
x2 = 0.6049382716
Take the square root of each side:
x = {-0.777777778, 0.777777778}
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