3 years ago

Evaluate the expression 3x + 21 for x=3

Mathematics

1 answer:

hichkok12 [17]3 years ago

6 0

Answer:

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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