Answer:
Step-by-step explanation:
170=40x+50
170=40x+50 subtract 50
120=40x divide by 40
3=x
Answer:
The value of the equation for x is
or 559.5.
Step-by-step explanation:
Consider the provided equation.

We need to solve the equation for x.
Use the distributive property: 


Add the like terms.

Isolate the variable as shown:




Hence, the value of the equation for x is
or 559.5.
Answer:
Years 3-4 and the percentage change was by 8%. Please vote Brainliest!
Step-by-step explanation:
B. (k+10f)(k-5f) you can tell in 2 ways. 1. if the second sign is neg then the signs in the factors are going to be one neg and one positive so that knocks out C and D. Then you look at the second term and since the 5 is positive then the 10 has to be positive so you end up with a positive 5kf.
The second way is to FOIL them out. When you check B you get

combine your like terms and you have your original expression of

Hope that helps