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DENIUS [597]
3 years ago
10

Noah says that 9x − 2x + 4x is equivalent to 3x because the subtraction sign tells us to subtract everything that comes after 9x

.
Elena says that 9x − 2x + 4x is equivalent to 11x because the subtraction only applies to 2x.



Do you agree with either of these claims?
Mathematics
1 answer:
Genrish500 [490]3 years ago
5 0

Answer:

Noah's claim is correct

Step-by-step explanation:

B O D M A S - Brackets, Over, Division, Multiplication, Addition and Subtraction, this means that you must do the addition first.  

2x+ 4x = 6x

9x - 6x = 3x

Noah is correct as the - sign tells us that you have to subtract everything after the 9x

Hope this is ok and helps a little bit

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