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mezya [45]
3 years ago
12

-3x + 5 ¾ + 12x - 2.25 if you answer this it is worth 100 points

Mathematics
2 answers:
Greeley [361]3 years ago
7 0

Answer: 9 x + 7 /2

Step-by-step explanation:

vazorg [7]3 years ago
3 0

Answer:

 8 + 9x

Step-by-step explanation:

This is an algebraic expression.  Our job here is to simplify it by combining like terms:  combine the x terms and then combine the constants:

-3x + 5 ¾ + 12x - 2.25, after combining the x terms, is

       5 ¾ +    9x - 2.25

Next, combine the constants.  It's easier to convert -2.25 to -2 1/4 and then

add this 2 1/4 to 5 3/4:  

             8 + 9x

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