can someone help me figure this out last 3 lines i added after she graded it but not sure what i did wrong here
Solve and check. Label any contradictions or identities
3(t+2)+t=2(3+2t)
(3t+6+t=6+4t)
4t+6=4t+6
4t+6-6=4t+6-6
4t/4=4t/4
t=t
this problem is an identity
was told it was incorrect what did i do wrong here as my lovely teacher didnt bother explaining

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Since every thing cancel out I think it would be 0=0

with identity problems wouldnt any number suffice which would leave t as infinite

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