Question

Ayuda doy coronaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa

Answer 1

Respuesta:

d) 4

Explicación paso a paso:

a  + 8 = 12

a = 4

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b + 5 = a + 2b

b + 5 = 4 + 2b

5 - 4 = 2b - b

1 = b

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R = 4 . 1

R = 4