michaellamartin michaellamartin

26-09-2020
Mathematics

contestada

x – 9 = 2(x – 3) + 12

Respuesta :

sahusasanka3 sahusasanka3

26-09-2020

Answer:

x-9=2(x-3)+12

x-9=2x-6+12

x-9=2×+6

9-6=2x-x

3=x

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