3(1 + x) > x + 17
a.
3(1 + 2) > 2 + 17
3 × 3 > 2 + 17
9 > 19 this has no solution so eliminate this.
b.
3(1 + 4) > 4 + 17
3 × 5 > 4 + 17
15 > 21 no solution.
c.
3(1 + 6) > 6 + 17
3 × 7 > 6 + 17
21 > 23 no solution.
d.
3(1 + 8) > 8 + 17
3 × 9 > 8 + 17
27 > 25 this is a solution.
so your answer is d.
hope this helps, God bless!
