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01-06-2020
Mathematics

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combine like terms .Plez Halp TnT

A. 7a + 70 - 13 a - 1 lb

B. -5a - 12a + 2b - 3b

Respuesta :

01-06-2020

Answer:

[tex]a) - 6a + 70 - 11b[/tex]

[tex] b) - 17a - b[/tex]

Step-by-step explanation:

[tex]7a + 70 - 13a - 11b \\ 7a - 13a + 70 - 11b \\ = - 6a + 70 - 11b[/tex]

[tex] - 5a - 12a + 2b - 3b \\ = - 17a - b[/tex]

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