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Simplifying
8x2 + -503 = 9
Reorder the terms:
-503 + 8x2 = 9
Solving
-503 + 8x2 = 9
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Add '503' to each side of the equation.
-503 + 503 + 8x2 = 9 + 503
Combine like terms: -503 + 503 = 0
0 + 8x2 = 9 + 503
8x2 = 9 + 503
Combine like terms: 9 + 503 = 512
8x2 = 512
Divide each side by '8'.
x2 = 64
Simplifying
x2 = 64
Take the square root of each side:
x = {-8, 8}
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