Answer:
3x-2y-z=4
Step-by-step explanation:
Because i know
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I will help u let me look at it
I’m going with 22 because 10x2 is 20 then 10x4 is 40 then 40+20 is 60 so the answer would be 22 because I would also have to add the other 2 to the problem. I’m so so so sorry if I did this wrong