Question

x - [ 5 + 3x – { 5x – ( 6 + x ) } ] = - 9

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Answer 1

Respuesta:

x = 2

Explicación paso a paso:

Aplicando:

- por + = -

- por - = +

+ por - = -

+ por + = +

Operamos:

x - [ 5 + 3x – { 5x – ( 6 + x ) } ] = - 9

x - [ 5 + 3x – { 5x – 6 - x  } ] = - 9

x - [ 5 + 3x – { 4x - 6 } ] = - 9

x - [ 5 + 3x – 4x + 6 ] = - 9

x - [ 11 – x ] = - 9

x - 11 + x = - 9

2x = - 9 + 11

x = 2