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Simplifying
5x2 + -2 = 223
Reorder the terms:
-2 + 5x2 = 223
Solving
-2 + 5x2 = 223
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 + 5x2 = 223 + 2
Combine like terms: -2 + 2 = 0
0 + 5x2 = 223 + 2
5x2 = 223 + 2
Combine like terms: 223 + 2 = 225
5x2 = 225
Divide each side by '5'.
x2 = 45
Simplifying
x2 = 45
Take the square root of each side:
x = {-6.708203933, 6.708203933}
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