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OpenStudy (anonymous):
Select the correct difference. -3z7 - (-5z7) 2z^7 8z^14 -2z^7 2z
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OpenStudy (anonymous):
-3z7 + 5z7 =? 5 apples - 3 apples will be...?
OpenStudy (anonymous):
2 apples
OpenStudy (anonymous):
now instead of apples we have z7. whats the answer?
OpenStudy (anonymous):
2z^7
OpenStudy (anonymous):
correct. good job
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