madisonalexander1317 madisonalexander1317
  • 28-01-2022
  • Mathematics
contestada

Twice a number (z) added to 21 is equal to 9 times the number added to 7. What is the number?
z=-4
z = -2
z= 2
z=4​

Respuesta :

graciescott114
graciescott114 graciescott114
  • 28-01-2022
the correct answer is z=2
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