Question

Tutorial on Inequalities!

Answer 1

Example: 12 < x + 5

If we subtract 5 from both sides, we get:

12 - 5 < x + 5 - 5

7 < x

That is a solution!

But it is normal to put "x" on the left hand side ...

... so let us flip sides (and the inequality sign!):

x > 7

Do you see how the inequality sign still "points at" the smaller value (7) ?

And that is our solution: x > 7

Answer 2

Your tutorial, although helpful, is very incomplete and misses a lot of major points. What if you were dividing by a negative numbers in an inequalities problem?

Answer 3

Okay, I will add that in the next one

Answer 4

Thanks @Arcadiouse !

Very helpful :3

Answer 5

No problem!