09-06-2020
Mathematics

contestada

If 8=−3r+7r, then r= [blank] −−−−−−.

Respuesta :

09-06-2020

Answer:

[tex]r = 2[/tex]

Step-by-step explanation:

[tex]8 = - 3r + 7r \\ 8 = 4r \\ 4r = 8 \\ \\ r = \frac{8}{4} \\ \\ r = 2[/tex]

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