18-12-2019
Mathematics

contestada

what is the answer to x in this equation 7(5x-r) + 3r = 173.5 if x is 9.5

Respuesta :

Yang100 Yang100

21-12-2019

Answer:

r=-63/2

Step-by-step explanation:

7(5*9.5-r)+3r=173.5

47.5-7r+3r=173.5

47.5-4r=173.5

4r=47.5-173.5

4r=-126

r=-126/4

r=-63/2

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