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Andru [333]
3 years ago
11

What is the sum of -7x -4 and -4x + 13

Mathematics
1 answer:
irina [24]3 years ago
3 0
The sum of it :-7x+4x-4+13. -3x=9 divided both sides by 3,,,,the answer is -3
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First we find the total length of wall remain after picture was hung to the wall.


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