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x + 2x + 9y - 7y
3x + ( 9y - 7y )
3x + 2y
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The position of the 7 is in the ten thousandths place.
The answer is the first one; it is an arithmetic sequence with a common difference of -40.
Answer:
w = 3
Step-by-step explanation:
19w - 1 = 11w + 23
19w - 11w = 23 + 1
8w = 24
w = 3