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Simplifying
9x2 + 11 = 12
Reorder the terms:
11 + 9x2 = 12
Solving
11 + 9x2 = 12
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Add '-11' to each side of the equation.
11 + -11 + 9x2 = 12 + -11
Combine like terms: 11 + -11 = 0
0 + 9x2 = 12 + -11
9x2 = 12 + -11
Combine like terms: 12 + -11 = 1
9x2 = 1
Divide each side by '9'.
x2 = 0.1111111111
Simplifying
x2 = 0.1111111111
Take the square root of each side:
x = {-0.333333333, 0.333333333}
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