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Simplifying
6x2 + 12 = 306
Reorder the terms:
12 + 6x2 = 306
Solving
12 + 6x2 = 306
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Add '-12' to each side of the equation.
12 + -12 + 6x2 = 306 + -12
Combine like terms: 12 + -12 = 0
0 + 6x2 = 306 + -12
6x2 = 306 + -12
Combine like terms: 306 + -12 = 294
6x2 = 294
Divide each side by '6'.
x2 = 49
Simplifying
x2 = 49
Take the square root of each side:
x = {-7, 7}
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