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Simplifying
6x2 + 7 = 211
Reorder the terms:
7 + 6x2 = 211
Solving
7 + 6x2 = 211
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Add '-7' to each side of the equation.
7 + -7 + 6x2 = 211 + -7
Combine like terms: 7 + -7 = 0
0 + 6x2 = 211 + -7
6x2 = 211 + -7
Combine like terms: 211 + -7 = 204
6x2 = 204
Divide each side by '6'.
x2 = 34
Simplifying
x2 = 34
Take the square root of each side:
x = {-5.830951895, 5.830951895}
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