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did I do this correct/

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List the like terms in the following group of terms.–7u, 4tu2, 4t2u, –5tu2, 7tu2, 6t2 did I do this correct? (4tu² + 7tu²
1. 0 answers
2. 404 views
Given f(x) = –4x – 4, find f(a – 4).F(x)= -4x- (a-4)-4 = -4a -4 -4 = a-12 am i getting this yet?
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2. 325 views
Solve the system by addition.
1. 1 answer
2. 388 views