nr390035 nr390035
  • 14-08-2020
  • Mathematics
contestada

what is the equivelent expression to 13a - 8a + 9b - 4b

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mathstudent55
mathstudent55 mathstudent55
  • 14-08-2020

Answer:

5a + 5b

Step-by-step explanation:

13a - 8a + 9b - 4b =

Combine like terms. 13a and -8a are like terms and can be combined.

9b and -4b are like terms and can be combined.

= 5a + 5b

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Аноним Аноним
  • 14-08-2020

Answer:

5a+5b

Step-by-step explanation:

[tex]13a-8a+9b-4b\\\mathrm{Add\:similar\:elements:}\:13a-8a=5a\\=5a+9b-4b\\\mathrm{Add\:similar\:elements:}\:9b-4b=5b\\=5a+5b[/tex]

Answer Link

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