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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