Answer:
-2
Step-by-step explanation:
If you substitute x for 4, you have -4+2 to get -2.
Answer:

Step-by-step explanation:
,
,
, Subtract 23 and 3x from both sides and simplify:
, Divide both sides by 2 and simplify: 
<em>Hope this helps!!!</em>
Answer:
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Step-by-step explanation:
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Answer:
The answer in the simplest form would be 28/9 or 3 1/9
Step-by-step explanation:
Very simple you would divide the 56 and the 18 by 2 and you get 28/9.
or you could change it to a improper fraction in that case it would be 3 1/9
Answer:
plus 4 every time
Step-by-step explanation:
1+4=5+4=9+4=13+4=17