Question

How do you solve -10=10(k-9)

Answer 1

-10=10k-90
add 90 on both sides that would be 
80=10k 
divide by 10 
8=k or k=8
HOPE THIS HELPED!!! :)

Answer 2

-10=10(k-9)
1 step: Distributive Property
2nd step: Addition Property of Equality or added 90 to both sides
3rd step: Division Property of equality or divided by 10 on both sides.
k=8