delaneyscholl delaneyscholl

04-10-2021
Mathematics

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If FN=90, what is the value of r?
4r+5
3r+15

Respuesta :

4m4nd4p 4m4nd4p

04-10-2021

4r+5=3r+15
-3r -5
r=10
40+5=30+15
45=45
45+45=90
r=10

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