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OpenStudy (anonymous):
Which equation is an identity? A.9-(5v+5)=-5v-4 B.3m-6=4m+7-m C.5w+6-w=6w-2(w-3) D.6y+5=6y-9
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OpenStudy (mathmale):
Hint: which one is always true, regardless of the value of its variable?
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