3 years ago

WHOEVER ANSWERS FAST AND CORRECT GETS BRAINLIEST! (PICTURE INCLUDED)

2 answers:

6 0

Answer:

A) 3x+4

B) Twice of sum of a number and 9.

4 0

Answer:

2n+18

Step-by-step explanation:

2xn=2n

2x9=18

2n+18

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