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Simplifying
8x2 + 16 = 816
Reorder the terms:
16 + 8x2 = 816
Solving
16 + 8x2 = 816
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Add '-16' to each side of the equation.
16 + -16 + 8x2 = 816 + -16
Combine like terms: 16 + -16 = 0
0 + 8x2 = 816 + -16
8x2 = 816 + -16
Combine like terms: 816 + -16 = 800
8x2 = 800
Divide each side by '8'.
x2 = 100
Simplifying
x2 = 100
Take the square root of each side:
x = {-10, 10}
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