Question

2(x - 1) + 3(x + 1) "< igual" 4(x + 2) pfvr simplificar a conta

Answer 1

2(x - 1) + 3(x + 1) ≤ 4(x + 2) ( trata-se de uma inequação )

2x - 2 + 3x + 3 ≤ 4x + 8

5x + 1 ≤ 4x + 8

x + 1 ≤ 8

x ≤ 7

Answer 2

2 ( x -1 ) + 3(x +1) "< igual" 4(x+2)
2x -2 +3x +3 "< =" 4x +8
2x +3x -4x "< =" 8 +2 -3
5x -4x "< =" 10 -3
X "< =" 7