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alina1380 [7]
3 years ago
13

Some simplify this plz 12x + 1.5x - 2-7

Mathematics
2 answers:
never [62]3 years ago
6 0

Answer:

13.5x + 5

Step-by-step explanation:

12x + 1.5x - 2 - 7 (you always want to work left to right)

13.5x - (2 - 7) (you are free to use the associative property here to isolate like terms)

13.5x - (-5) (remember a number less in value subtracted from a higher value will result in a negative value; giving you this value for instance.)

13.5x + 5 (now since it was basically subtracting a negative from 13.5x you can technically say the same thing by turning the negative value to a positive however you must do the opposite of subtraction as well.)

melomori [17]3 years ago
5 0
10.5x-9 is correct but I think there may be an equal sign in this question if not this is right
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