jjayram982 jjayram982

19-07-2019
Mathematics

contestada

evaluate the expression 3x + 21 for x=3

Respuesta :

angelyna27 angelyna27

19-07-2019

Answer:

30

Step-by-step explanation:

Problem = 3x + 21 for x=3

3(3) +21 --- subsitute the three for the x

9 + 21 ---- multiply the 3s together

30 ----- add

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