B. Subtract the following integers using algebra tiles/counters. Illustrate your solution using Algebra tiles/counters. Indicate your positive and negative algebra tiles/counters red for positive counters and black for negative counters.
1.) 9-(-4) ?
2.) -4+8 ?
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Answers & Comments
Answer:
1.) 9-(-4) = 13
2.) -4+8 = 4
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