Write an inequality for the sentence. Then solve inequality.
Thirteen less than an number is at most 9.
x - 13 ≤ 9
Add 13 to both sides:
x - 13 + 13 ≤ 9 + 13
Simplify:
x ≤ 22
Therefore, the solution to the inequality is x ≤ 22.
Thirteen less than an number is at most 9.
Add 13 to both sides:
x - 13 + 13 ≤ 9 + 13
Simplify:
x ≤ 22
Therefore, the solution to the inequality is x ≤ 22.