Question

Given: x - 5 > -2.

Choose the solution set.


{x | x E R, x > -7}
{x | x E R, x > -3}
{x | x E R, x > 3}
{x | x E R, x > 7}

HOW DO I DO THESE THE LESSON DOSENT EXPLAIN WELL

Answer 1

What do you get if you add 5 to both sides of the inequality??

Answer 2

am i adding to all the numbers including x ?

Answer 3

yes just add to both sides of eqn as it is given

Answer 4

x - 5 > -2
you get
x - 5 + 5 > -2 + 5

Answer 5

so c

Answer 6

what will this give???

Answer 7

c

Answer 8

correct.....
now choose a value of x greater than 3, say 4, substitute in the equation and check if it is true or not

Answer 9

thanks for the help....can i get a medal to

Answer 10

x - 5 > -2
put x = 4
4 - 5 > -2
-1 > -2 is correct