Respuesta :

hoangpm04

Answer:

4p - 6t

Step-by-step explanation:

7p + 9t - 3p - 15t

= 7p - 3p + 9t - 15t

= 4p + (-6t)

= 4p - 6t

carlosego

For this case we have the following expression:

[tex]7p+9t-3p-15t[/tex]

We must group similar terms:

[tex]7p-3p + 9t-15t[/tex]

We add similar terms taking into account that:

  • Equal signs are added and the same sign is placed
  • Different signs are subtracted and the major sign is placed.

[tex]4p-6t\\\\[/tex]

Answer:

[tex]4p-6t\\\\[/tex]