Question

2x + 3y = 7
x + 2y = 4​

Answer 1

Respuesta:

1

Explicación paso a paso:

2x + 3y=7 ⇒ 1 ( 2x + 3y = 7)⇒ 2x + 3y = 7

x + 2y= 4 ⇒ 2 ( 1x + 2y = 4)⇒  2x + 4y = 8⇒ - ( 2x + 4y = 8)= -2x -4y= -8

2x + 3y = 7

-2x -4y = -8

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∉    -1y = -1        y= -1÷ -1 = 1