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x=20
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x≔20
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x=-225+22\times 15-85
Calculate 15 to the power of 2 and get 225.
x=-225+330-85
Multiply 22 and 15 to get 330.
x=105-85
Add -225 and 330 to get 105.
x=20
Subtract 85 from 105 to get 20.
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