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Simplifying
X2 + -21.75 = -15.75
Reorder the terms:
-21.75 + X2 = -15.75
Solving
-21.75 + X2 = -15.75
Solving for variable 'X'.
Move all terms containing X to the left, all other terms to the right.
Add '21.75' to each side of the equation.
-21.75 + 21.75 + X2 = -15.75 + 21.75
Combine like terms: -21.75 + 21.75 = 0.00
0.00 + X2 = -15.75 + 21.75
X2 = -15.75 + 21.75
Combine like terms: -15.75 + 21.75 = 6
X2 = 6
Simplifying
X2 = 6
Take the square root of each side:
X = {-2.449489743, 2.449489743}
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