Answer:
c is equal to negative thirty.
Explanation:
You can find out what c is by subtracting 13 from both sides of the equation:
c + 13 = -17
c + 13 - 13 = -17 - 13
c + 0 = -30
c = -30
c + 13 = - 17
c = - 17 - 13
Therefore c = -30
Hope it will help :)
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