Question

11-(15+11-2x)=x-(25-9)

Answer 1

\(11-15-11+2x=x-16\\ \left(11-11\right)-15+2x=x-16\\ 0-15+2x=x-16\\ -15+2x=x-16\\ 2x-x=-16+15\\ x.\left(2-1\right)=-1\\ x.1=-1\\ x=-1\)

Answer 2

11-(15+11-2x)=x-(25-9)

11-15-11+2x=x-16

2x-x=-11+15+11-16

x=-1

Vậy x=-1