Question

8a+2-10a<20 The '<' has a line underneath, but considering I'm new to this site, I'm not sure how to set that up on here...

Answer 1

So, you basically have to put together like terms first.

Answer 2

It would be -2a+2≤20

Answer 3

b/c 8a-10a=-2a

Answer 4

anyways, you need to isolate -2a so subtract 2 from both sides.

Answer 5

-2a+2≤20
-2 -2
------------
-2a≤18

Answer 6

a≤-6

Answer 7

Get it? (:

Answer 8

if you put the like terms together, it's 8a-10a+2

Answer 9

well, llet's substitute.

Answer 10

... so ...

Answer 11

0≤20 which is true...

Answer 12

but...

Answer 13

Thanks Christine! That looks about right... (:

Answer 14

Sure. :)

Answer 15

as long as you get how to do it. ♪