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What are the answers to these questions? need help asap

What are the answers to these questions? need help asap-example-1
User MPaulo
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2 Answers

8 votes
the correct answer is ^
User Arno Duvenhage
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5 votes
1. -20-5x 3. -3x+21
5. 6y+12z 2. should be 4+x
4. -36-6d
User TinyTimZamboni
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