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Simplifying
12x2 + 11 = 15
Reorder the terms:
11 + 12x2 = 15
Solving
11 + 12x2 = 15
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 + 12x2 = 15 + -11
Combine like terms: 11 + -11 = 0
0 + 12x2 = 15 + -11
12x2 = 15 + -11
Combine like terms: 15 + -11 = 4
12x2 = 4
Divide each side by '12'.
x2 = 0.3333333333
Simplifying
x2 = 0.3333333333
Take the square root of each side:
x = {-0.577350269, 0.577350269}
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