Question

6+t is less than or equal to 13

Answer 1

6 + t

t could be 7 or less for that statement to be true

Answer 2

if 6+t ≤13, then t ≤ 7

6 + t ≤ 13
-6 -6
t ≤ 7

When subtracting 6 from positive 6 they cancel out leaving t. Then 13 - 6 = 7.