Answer: 4x+8
Step-by-step explanation: I know that bc I have a homework question just like this.
Answer:
12+16
Explanation:
well if your using the number for and eight then do 2x8=16 that would be using the 8 and with number 4 you would do 4x3=12 and if you use those to which are 12+16 it equals 28
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