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OpenStudy (anonymous):
which equation is an identity? 1. 7-(9x+3)=-9x-4 2. 6m-5=7m+5-m 3. 10p=6-p=12p-3(p-2) 4. 3y+2=3y-2
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OpenStudy (anonymous):
Did you try distributive property and combining like terms?
OpenStudy (anonymous):
Also not sure what's going on in 3. there, two equal signs.
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