Question

Simplify following expression :
-3r+7-3r-12

Answer 1

Were you able to get anywhere with this?

Answer 2

Sort of .. It was one of my classwork problems and I got it wrong .

Answer 3

what did you get?

Answer 4

I dont have my paper , just the equation . So let me solve it again and see ,

Answer 5

alright

Answer 6

i got r-19 , this was a re-due , so im not sure if that was my very first answer but just resolving it I got : r-19

Answer 7

what is -3r - 3r

Answer 8

0 ?

Answer 9

no

Answer 10

so if it's 0 , wouldn't it just be ' r ' ?

Answer 11

you're thinking of 3 - 3

Answer 12

or -3 + 3

Answer 13

-3 - 3 = -6

Answer 14

so that's why -3r - 3r = -6r

Answer 15

7 - 12 = -5,

so put together, we can say all this


-3r+7-3r-12

-3r - 3r + 7 - 12

(-3r - 3r) + (7 - 12)

(-6r) + (-5)

-6r - 5

Answer 16

so -3r+7-3r-12 simplified would be -6r-19 ?

Answer 17

no, it would be -19 IF it was -7 - 12

but it's not

Answer 18

i mean -6r-5 ...

Answer 19

it's +7 - 12 = 7 - 12 = -5

Answer 20

better

Answer 21

thank you so much:)

Answer 22

sure thing