Answer: x>6
Explanation:
−4 (5x − 20) < −40
4 (5x − 20) > 40 ==> when dividing by a negative number
4(5x − 20)/4 > 40/4
5x-20>10
5x-20+20>10+20
5x>30
5x/5>30/5
x>6
1.6m questions
2.0m answers