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Simplifying
2x2 + 14 = 18
Reorder the terms:
14 + 2x2 = 18
Solving
14 + 2x2 = 18
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Add '-14' to each side of the equation.
14 + -14 + 2x2 = 18 + -14
Combine like terms: 14 + -14 = 0
0 + 2x2 = 18 + -14
2x2 = 18 + -14
Combine like terms: 18 + -14 = 4
2x2 = 4
Divide each side by '2'.
x2 = 2
Simplifying
x2 = 2
Take the square root of each side:
x = {-1.414213562, 1.414213562}
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