Convert the given system of equations to matrix form
2. use row operations to put the matrix in echelon form.
3. find the solutions set and put in vector form.
x+y+w+z-3u=5
x-y-2w+z+2u=4 2x+0+w-z+u=3

50.6

step-by-step explanation:

well what you have to do is divide 84 by 6 so theanswer

step-by-step explanation:

84 divided by 6 = 14

and that lightbulb changing party must be freaking lit!

4 candies

step-by-step explanation:

7 x 28 = 196

200 - 196 = 4 candies remaining.

1^3 + 2^3 + 3^3 +4^3 = (1+2+3+4)^2

step-by-step explanation:

i am only able to answer the first part. i am not sure about the second part. sorry