Question

7x+39\geq 53 \quad \maroonC{\text{ AND}} \quad 16x+15>31

Answer 1

Solve each inequality:

1) 7x + 39 ≥ 53
7x ≥ 14
x ≥ 2

2) 16x + 15 > 31
16x > 16
x > 1

Both must hold, so the intersection is x ≥ 2.
In interval notation: [2, ∞).