Question

X- {2X+[X-(5-X)]-1} = 10 me ayudas plis :3 ? ​

Answer 1

X - { 2X + [ X - (5 - X)] - 1 } = 10

X - { 2X + [ X - 5 + X ] - 1 } = 10

X - { 2X + [ 2X - 5 ] - 1 } = 10

X - { 2X + 2X - 5 - 1 } = 10

X - { 4X - 6 } = 10

X - 4X + 6  = 10

- 3x + 6 = 10

-10 + 6 = 3x

 -4 = 3x

-4/3 = x

Eternamente axllxa