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Simplifying
11x2 = x2 + 7
Reorder the terms:
11x2 = 7 + x2
Solving
11x2 = 7 + x2
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Add '-1x2' to each side of the equation.
11x2 + -1x2 = 7 + x2 + -1x2
Combine like terms: 11x2 + -1x2 = 10x2
10x2 = 7 + x2 + -1x2
Combine like terms: x2 + -1x2 = 0
10x2 = 7 + 0
10x2 = 7
Divide each side by '10'.
x2 = 0.7
Simplifying
x2 = 0.7
Take the square root of each side:
x = {-0.836660027, 0.836660027}
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