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Simplifying
1.5625 + x2 = 9
Solving
1.5625 + x2 = 9
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Add '-1.5625' to each side of the equation.
1.5625 + -1.5625 + x2 = 9 + -1.5625
Combine like terms: 1.5625 + -1.5625 = 0.0000
0.0000 + x2 = 9 + -1.5625
x2 = 9 + -1.5625
Combine like terms: 9 + -1.5625 = 7.4375
x2 = 7.4375
Simplifying
x2 = 7.4375
Take the square root of each side:
x = {-2.727178029, 2.727178029}
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