Question

resolução de: 2 . ( x - 2 ) - 3 . ( 1 - x ) = 20 - ( x - 4 )

Answer 1

2(x-2)-3(1-x)=20-(x-4)
2x-4-3+3x=20-x+4
2x+3x+x=20+4+4+3
6x=31
x = 31/6

Answer 2

2(x-2)-3(1-x)=20-(x-4)
2x-4-3+3x=20-x+4
2x+3x+x=20+4+4+3
6x=31
x=31/6

valor do x é 31/6