Question

Porfavor alguien me puede desarrollar esto y que la respuesta salga -15 8

6{x-2(7+5x) -6} = 6-2{5x -2(x-10) -2}

Answer 1

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Answer 2

6 { x - 2 (7 + 5x) - 6 } = 6 - 2 {5x - 2 (x - 10) - 2 }

6 { -9x - 20} = - {6x + 36} + 6

- 54x - 120 = - 6x -  36 + 6

- 54x - 120 = - 6x - 30

- 54x + 6x = - 30 + 120

- 48x = - 90

x = -90/-48---simplificando nos dá : 

x = -15/8

Solución : 

x = -15/8