Step-by-step explanation:
Here,
21-4z=14-8z
-4z+8z=14-21
4z=-7
Answer:
(2,3); (-6,5); (2,-3); (5,-7)
x ≤ -
Given
3x + 14 ≤ 13 ( subtract 14 from both sides )
3x ≤ - 1 ( divide both sides by 3 )