Subtract 9 so you have -2. Kx=-2 divide both sides by k. You have -2 over k
Answer: Try 21
Step-by-step explanation:
The answer and work is in the SS below
First of all why is there 2 similar equation connected to one another?
Second in order to solve this all you need to do is plug in the number and solve for x
For 485
85x+60=485
85x=420
X=5
Do the same thing and you get 3