Question

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

Answer 1

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

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

x-[5+3x-(4x-6)]=-3

x-(5+3x-4x+6)=-3

x-(-x+11)=-3

x+x-11=-3

2x=-3+11

2x=8

x=8÷2

x=4

Recordamos ley de signo:

(-)×(-)= +
(-)×(+)= -

El valor de x=4