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Paraphin [41]
3 years ago
8

WILL MARK BRAINLIEST PLEASE HELP

Mathematics
1 answer:
vlada-n [284]3 years ago
6 0

Answer:  

2x + (-2x + 3) = 3

2x - 2x +3

0 + 3

3

2x-7 + (-2x) = -7

2x -2x - 7

0 -7

-7

-(5x -1) + 5x = 1

-5x +1 + 5x

-5x + 5x + 1

0 + 1

1

Step-by-step explanation: In addition, the parentheses help identify the individual addends. If adding a negative number, it is the same as subtracting. If there is a negative sign outside the parentheses, as in example c, you must distribute it: the signs of the numbers within the parentheses must be reversed when the parentheses are removed.

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Answer:

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Step-by-step explanation:

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9/59049x³

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3 0
2 years ago
20.   7.2 x 12 x 0.23 = ? Round to the nearest hundredth. A. 19.43 B. 19.44 C. 19.87 D. 19.88
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