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s2008m [1.1K]
3 years ago
15

Can somebody please help me

Mathematics
2 answers:
Harrizon [31]3 years ago
8 0

Hi there! The answer should be a = 5. I have included an image with the process. Hope this helps for future reference!

P.S. It is okay with me if you save the image for help later. :)

Mumz [18]3 years ago
6 0

Answer:

a = 5

Step-by-step explanation:

3(a - 4) + 1 = 9 - a                 Distribute the 3 into a-4

3a - 12 + 1 = 9 - a                  Combine like terms

    [-12 and 1]

3a - 11 = 9 - a                         Add 11 to both sides to isolate 3a

     +11    +11

3a = 20 - a                             Add a to remove it and have all a

+a          +a

4a = 20                                  Divide by 4 to only have a

/4      /4

a = 5

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