Question: Use substitution to solve for all the variables. I understand how ai did this, but was curious if there is another substitution to try. the

Use substitution to solve for all the variables. I understand how ai did this, but was curious if there is another substitution to try.

the equation is 4y + z = -7 -x + 4y =+ 5z =-19 -5x + 4y -5z =11 the augmented matrix [0 4 1 / 7]

[-1 4 5/ 19]

[ -5 4 -5/ 11]

My row of operations was [ 0 -1 -3]

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