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At the very end you forgot to bring down the 2. 16(2)(-1). The final answer is correct, but 16+16 does notequal 48. Nice work overall, except where you used X's for multiplication. Brackets ( ) will make it easier to read.
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At the very end you forgot to bring down the 2. 16(2)(-1). The final answer is correct, but 16+16 does notequal 48. Nice work overall, except where you used X's for multiplication. Brackets ( ) will make it easier to read.