Question

(a + 1)x + (b + 2)y = 12

2x + 3y = 4

Indicar: “a + b”​

Answer 1

Respuesta:

6

Explicación paso a paso:

3 ( 2x + 3y = 4 )

-> 6x + 9y = 12

(a + 1) = 6

a = 5

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(b + 2) = 3

b = 1

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a+ b = 5 + 1 = 6