Question

37. X – { 3 + [ X – (3 + X) ] } = 5

Answer 1

Respuesta:

X-(3+[X-(3+X) ] ) = 5

X-(3[X-3-X] ) = 5

X - ( 3[ -3 ] ) = 5

X - ( - 9 ) = 5

X+9 = 5

X+9-9 = 5-9

X = -4

Explicación paso a paso: