03-06-2020
Mathematics

contestada

Simplify: 9(1 - r) + 3r

Respuesta :

03-06-2020

Step-by-step explanation:

9 - 9r + 3r

9 - 6r

For finding the value of r

9 = - 6r

9/ - 6 = r

3 / - 2 = r

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