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Simplifying
2d2 = 8 + 10
Combine like terms: 8 + 10 = 18
2d2 = 18
Solving
2d2 = 18
Solving for variable 'd'.
Move all terms containing d to the left, all other terms to the right.
Divide each side by '2'.
d2 = 9
Simplifying
d2 = 9
Take the square root of each side:
d = {-3, 3}
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