Answer:
6. 5(a+b), variables a and b
7. 12-2x, variable x
8. 51-5r, variable r
9. 7(2-x), variable x
10. , variable x
Step-by-step explanation:
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Answers & Comments
Answer:
6. 5(a+b), variables a and b
7. 12-2x, variable x
8. 51-5r, variable r
9. 7(2-x), variable x
10. , variable x
Step-by-step explanation: