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Simplifying
X2 + -64 + -5 = 31
Reorder the terms:
-64 + -5 + X2 = 31
Combine like terms: -64 + -5 = -69
-69 + X2 = 31
Solving
-69 + X2 = 31
Solving for variable 'X'.
Move all terms containing X to the left, all other terms to the right.
Add '69' to each side of the equation.
-69 + 69 + X2 = 31 + 69
Combine like terms: -69 + 69 = 0
0 + X2 = 31 + 69
X2 = 31 + 69
Combine like terms: 31 + 69 = 100
X2 = 100
Simplifying
X2 = 100
Take the square root of each side:
X = {-10, 10}
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