Question

x-2<7 Solve the inequality

I got X<9 is that correct?

Answer 1

Yes.

Answer 2

my math lab says its false

Answer 3

they lying cuz its true bcuz u add 2 to both side of the equation which is 9

Answer 4

try x < 9 (notice the lowercase x)

also try entering your answer in interval notation

Answer 5

how do you do that?

Answer 6

x < 9 in interval notation is (-infinity, 9)

where you'll replace "infinity" with the symbol infinity

Answer 7

so (-00,9)?

Answer 8

yeah

Answer 9

and infinity goes first right?

Answer 10

negative infinity, yep

Answer 11

how would the solution look on a number line?

Answer 12

would it be closed circle going right?

Answer 13

draw out a number line

make an open circle at 9

then shade to the left of the open circle

Answer 14

Perfect! Thanks man :)

Answer 15

np