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Simplifying
2 = 2x2 + -5
Reorder the terms:
2 = -5 + 2x2
Solving
2 = -5 + 2x2
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Add '-2x2' to each side of the equation.
2 + -2x2 = -5 + 2x2 + -2x2
Combine like terms: 2x2 + -2x2 = 0
2 + -2x2 = -5 + 0
2 + -2x2 = -5
Add '-2' to each side of the equation.
2 + -2 + -2x2 = -5 + -2
Combine like terms: 2 + -2 = 0
0 + -2x2 = -5 + -2
-2x2 = -5 + -2
Combine like terms: -5 + -2 = -7
-2x2 = -7
Divide each side by '-2'.
x2 = 3.5
Simplifying
x2 = 3.5
Take the square root of each side:
x = {-1.870828693, 1.870828693}
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