Question

solve for K, show your work
13k + 5 = k - 7

Answer 1

first... subtract k from both sides...what do you get?

Answer 2

13k - 1k = 7 - 5
12k = 2

Answer 3

carefull... it's -7 - 5... not 7- 5

Answer 4

careful*

Answer 5

so you have

12k = -7 - 5

what does this simplify to?

Answer 6

ohh, it inherits its sign okay.

Answer 7

yes

Answer 8

12k = -12
k = -1

Answer 9

13k - k = -7 - 5
What do you get?

Answer 10

right