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Simplifying
7x2 + -2 = 208
Reorder the terms:
-2 + 7x2 = 208
Solving
-2 + 7x2 = 208
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Add '2' to each side of the equation.
-2 + 2 + 7x2 = 208 + 2
Combine like terms: -2 + 2 = 0
0 + 7x2 = 208 + 2
7x2 = 208 + 2
Combine like terms: 208 + 2 = 210
7x2 = 210
Divide each side by '7'.
x2 = 30
Simplifying
x2 = 30
Take the square root of each side:
x = {-5.477225575, 5.477225575}
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