Question

2 + 3[x −(3x +1)] = 5[x − (2x − 1)]

Answer 1

Resposta:

2 + 3[x −(3x +1)] = 5[x − (2x − 1)]

2+3[ x - 3x -1)] = 5[ x- 2x +1]

2+3x -9x -3= 5x -10x +5

3x -9x -5x +10x=+5 -2 +3

-1x=6 (-1)

x= -6