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Simplifying
64x2 + 4 = 85
Reorder the terms:
4 + 64x2 = 85
Solving
4 + 64x2 = 85
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Add '-4' to each side of the equation.
4 + -4 + 64x2 = 85 + -4
Combine like terms: 4 + -4 = 0
0 + 64x2 = 85 + -4
64x2 = 85 + -4
Combine like terms: 85 + -4 = 81
64x2 = 81
Divide each side by '64'.
x2 = 1.265625
Simplifying
x2 = 1.265625
Take the square root of each side:
x = {-1.125, 1.125}
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