The additive inverse of -7 is 7, the additive inverse of a number is when added to any number equals 0. So the additive inverse of -14=14 and 7=-7.
Answer:

Step-by-step explanation:

: Do cross multiplication

: Multiply the numbers : 4 and 14

Move 3 to right hand side and change it's sign

Subtract 3 from 56

The value of k is 53
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329.6 if you don't have to round it and 330 if you do have to round it.
Answer: 11
Step-by-step explanation:
48+4=52
5×11=55
She needs 11 boxes to cover all expenses.