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14-06-2021
Mathematics

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Simplify the expressions. 3p+-q-7r--8p-q+2r

Respuesta :

14-06-2021

Answer:

=11p-5r

Step-by-step explanation:

3p+(-q)-7r-(-8p)-q+2r=

3p-q-7r+8p-q+2r=

3p+8p-q-q-7r+2r=

11p-5r=

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