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exis [7]
3 years ago
10

Marina simplified the expression 4x + 5(–4x – b) – (x – 2) to be –17x – 8.

Mathematics
2 answers:
Grace [21]3 years ago
5 0

Answer: C. 2

Step-by-step explanation:

Scilla [17]3 years ago
5 0

Answer:

C

Step-by-step explanation:

Begin by removing the brackets

4x + 5(-4x - b) = -16x - 5b

-(x - 2) = -x + 2

Add the two binomials together to get the third one

4x -20x - 5b - x + 2 = -17x - 8                 Combine the like terms on both sides

-17x - 5b +2 = -17x - 8                             Add 17x to both sides

-5b + 2 = - 8                                           Subtract 2 from both sides

-5b +2 -2 =- 8 -2                                     Combine    

-5b =  - 10                                               Divide by -5

b = -10/-5

b = 2

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