Question

Temukan penyelesaian daro:
a)|x-2| ≥ |x+3|
b)|5x-3| ≤ |x+9|
c)2x+3y-6≥0

Answer 1

1. a) x-2≥x+3
x-x≥3+2
x≥5
b) x+2≥x+3
x-x≥3-2
x≥1
hp{5,1)

2. a) 5x-3≤x+9
5x-x≤9+3
4x≤12
x≤12/4=2
b) 5x+3≤x+9
5x-x≤9-3
4x≤6
x≤6/4

hp{2,6/4}