Two systems of equations are shown. The first equation in system B is the original equation in system A. The second equation in system B is the sum of that equation and a multiple of the second equation in system A.

What is the solution to both systems A and B?

(3, 4)
(3, 5)
(4, 3)
(5, 3)

What is the value of x? enter your answer in the box. (cm)

You paint a 1/2 of a wall in 1/4 hour. how long will it take you to paint one wall

At the "no mutants allowed" country farm, every sheep has 4 legs, every chicken has two legs, and all animals have only 1 head. asked to count how many sheep and chicken are in the fields, a farm boy reports back that there are 140 feet and 50 heads. how many sheep and chicken are there? there are sheep and chicken at the farm.