amyjobracken amyjobracken

04-01-2021
Mathematics

contestada

This equation has one solution.
5(r–1) + 3r =7(r + 1)
What is the solution?

Respuesta :

04-01-2021

Answer:

5r-1+3r=7r+1

5r+3r-7r=1+1

r=2

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