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Evaluate the expression for the given value of the variable.9a - 2a for a = 9

User Hamad
by
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1 Answer

6 votes

Answer:

63

Step-by-step explanation:

Given the expression

9a - 2a

= 7a

Substitute a = 9 into the result

7a = 7(9)

7(9) = 63

Hence the required result is 63

User Eric Soyke
by
7.0k points