Question

Resolva as inequações U=Z
6(x-5)-2(4x+2) ≥80

Answer 1

6x - 30 -8x - 4 >=80
-2x -34 >= 80
-2x >= 80 + 34
-2x >= 114 (-1)
2x <= 114
x < = -114/2
x<=-57

Answer 2

6.(x - 5) -2.(4x + 2) >=80 6x - 30 - 8x - 4 >=80 6x - 8x >=80 + 34 -2x >= 114 (-1) 2x <= -114 x <= -114/2 x <= -57 Obs: <= (menor ou igual)