Question

5 |7 – x| > 10 = .........

Answer 1

5 |7- x| > 10
7 - x > 50
jadi
7-x > 50
-x > 50/7
x < - 50/7

7 -x < - 50
-x < - 43
x > 43
hp { x|x < -50/7 atau x > 43}