Question

Solve for x: −2x + 5 < 7

Answer 1

where are you stuck

Answer 2

Well im mainly confused on when you would switch the Less than sign

Answer 3

I know how to solve the question but i know when you divid or something like that you switch the sign around

Answer 4

let me ask you a question :

2 < 5

yes ?

Answer 5

When you multiply or divide both sides by a negative number the inequality will switch from < to > or from > to <.

This switch does not happen when you multiply or divide both sides by a positive number.

If you want to understand the reason for it you should answer ganeshie8's question above.