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Simplifying
10 + -2x2 = -31
Solving
10 + -2x2 = -31
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Add '-10' to each side of the equation.
10 + -10 + -2x2 = -31 + -10
Combine like terms: 10 + -10 = 0
0 + -2x2 = -31 + -10
-2x2 = -31 + -10
Combine like terms: -31 + -10 = -41
-2x2 = -41
Divide each side by '-2'.
x2 = 20.5
Simplifying
x2 = 20.5
Take the square root of each side:
x = {-4.527692569, 4.527692569}
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