Respuesta :

2a =  0.5b + 1.1
b = 3a + 0.1

substituting for b in first equation:-
2a = 0.5(3a + 0.1)  + 1.1
2a = 1.5a + 0.05 + 1.1
0.5a = 1.15
a = 2.3
and
b = 3(2.3) + 0.1
b = 7

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