How is the solution set of the sentence below described?

Question

x + 5 < 7 

 

1) {all numbers less than 7/5 }

 

2) {all numbers less than 2}

 

3) {all numbers less than 7}

 

4) {all numbers less than 12}

 

5) none of these

Answer 1

  x + 5 < 7

   x <  2       [You may add or subtract a value from each side of the inequality and retain the sense of the inequality]