Using mental math, solve the inequality 7+a>5+6 . In the solution set, the variable a must be greater than what number?.

Answer 1

The inequality given is 7+a > 5+6.

Adding the numbers on the right side of the inequality, we get 7+a > 11.

Subtracting 7 from both sides, we get a > 4.

Therefore, the variable a must be greater than 4 in the solution set.