Question

Given: x - 7 > -2.

Choose the solution set.

1.{x | x R, x > -9}
2.{x | x R, x > -5}
3.{x | x R, x > 5}
4.{x | x R, x > 14}

Answer 1

x−7>−2 at first addd 7 to both sides
x−7+7>−2+7
x>5