Answer:
-685
Step-by-step explanation:
hope I helped
The main cost will be 142.69.
K is equal to 2.
You have to move the 4 to the other side and change the addition sign to subtraction. After that, you have to subtract 8 and 4 which will give you 4 and 4 divided by 2 is 2 which means that k equals 2.
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[y]=-18 so y belongs to (-18,-17)