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Find the value of expression 21-2a if a =3
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Find the value of expression 21-2a if a =3

User Tremmors
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2 Answers

3 votes

Answer:

Explanation:

15 im sure

User Dan G Nelson
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4.7k points
3 votes

Answer:

15

Explanation:


21-2a \\a =3\\21 -2(3)\\21-6\\15

User Maze
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