Answer:
The fraction of black pieces left is
Step-by-step explanation:
Given as :
On the checkerboard , The fraction of red pieces left = 
Let The fraction of black pieces left = x
So, The fraction of black pieces left = x = 1 - 
Or, x = 
Or, x = 
Hence The fraction of black pieces left is
Answer
Answer:

at least means it need to be more or the lowest it can be is 18
Answer:
-8.
Step-by-step explanation:
-7x - 1 = -9x - 17
-7x - (-9x) = -17 - (-1)
-7x + 9x = -17 + 1
2x = -16
x = -8.
X = −19.30434782608696
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