Question

Simplify: thirty-two times k plus 8 times k minus fifteen times j minus twenty-eight times k plus 6 times j minus twenty-one times j

Answer 1

\(32k+8k-15j-28k+6j-21j?\) is it like this??

Answer 2

yah

Answer 3

alright.

so you have to combine all the terms that have the same variables (all the terms that has j's and all the term that has k's).

\(2k+8k−28k−15j+6j−21j\) rearranged it first.
then add the terms that have same variables

Answer 4

what will you end up with?

Answer 5

do u mean add 32k

Answer 6

oh yeah, sorry

Answer 7

it is okay i am working it out now

Answer 8

on it

Answer 9

for the k's i got 68 and for the j's i got 42

Answer 10

remember about the "-" signs , which means subtract.

Answer 11

18

Answer 12

nope.

can you solve for these:
32+8-28= ? k
-15+6-21= ? j

Answer 13

12

Answer 14

right for the first one is \(12 k\) . how about the second one?

Answer 15

0

Answer 16

30

Answer 17

nope. try again. take note about "-15"

Answer 18

0

Answer 19

nope. it will be -30 j

therefore you'll end up with: \(12k-30j\)