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Simplifying
6x2 + 9 = 12
Reorder the terms:
9 + 6x2 = 12
Solving
9 + 6x2 = 12
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Add '-9' to each side of the equation.
9 + -9 + 6x2 = 12 + -9
Combine like terms: 9 + -9 = 0
0 + 6x2 = 12 + -9
6x2 = 12 + -9
Combine like terms: 12 + -9 = 3
6x2 = 3
Divide each side by '6'.
x2 = 0.5
Simplifying
x2 = 0.5
Take the square root of each side:
x = {-0.707106781, 0.707106781}
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