ilyona
ilyona
17-09-2020
Mathematics
contestada
If 21 = 2a + b and a=b, find the value of b.
Respuesta :
tahmierbatman
tahmierbatman
17-09-2020
Answer:
21= 2(7) +(7)
Step-by-step explanation:
2(7)= 14+7=21
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