DaijahU447457 DaijahU447457

30-10-2022
Mathematics

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evaluate the expression when a =7 and x= -2 3a-x

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VismayaX341419 VismayaX341419

30-10-2022

To evaluate the expression:

[tex]3a-x[/tex]

when a=7 and x=-2 we have tu plug this values in their corresponding places, that is:

[tex]3(7)-(-2)=21+2=23[/tex]

Therefore, the expression is 23.

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