Solve the system of equations by transforming a matrix representing the system of equation into reduced row echelon form. 2x+y−3z=−19
x+2y+z=−4
x−y+5z=21

What is the system of equations in reduced row echelon and solution to system of equations?

Problem one: x = -19/2 - y/2 + 3z/2

Problem two: x = -4 - 2y - z

Problem thee: x = 21 + y - 5z

Step-by-step explanation:

So what I did with all problems was Move all terms not containing x to the right side of the equation. To solve the systems of equations of each problem.

the ratio of white tiles to blue tiles is 48: 16. the ratio in it's simplest form is 3: 1.

step-by-step explanation:

ratio: take the first number and add a colon next to it, then add the second number after that. make sure the ratio order matches up with the written problem!

simplest form: we can simplify the ratio 48 : 16 by dividing both terms by the greatest common factor (gcf).

the gcf of 48 and 16 is 16.

divide both terms by 16:

48 ÷ 16 = 3

16 ÷ 16 = 1

reducing to simplest form:

48 : 16 = 3 : 1