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OpenStudy (anonymous):
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OpenStudy (anonymous):
OpenStudy (anonymous):
first one is right the second one should be -1
OpenStudy (texaschic101):
7. - 3 = z + 4 -3 - 4 = z -7 = z you are correct 8. w - 2 = -3 w = -3 + 2 w = -1 you are incorrect.
OpenStudy (anonymous):
-1-2=-3
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