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solve the system of equations by finding the reduced row-echelon form of the augmented matrix for the system of equations.

2x + y + 4z - 16

5x - 2y + 22 -1

. + 2y – 32--9

a. (-1, 2, 22)

c (-1, 2,4)

b. (-10, 22, 42)

d. (-10, 2, 22

select the best answer from the choices provided

save and exit

nexa

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ii

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step-by-step explanation:

answear:

a

step-by-step explanation: a

arrange the equations with like terms in columns.

analyze the coefficients of x or y.

add the equations and solve for the remaining variable.

substitute the value into either equation and solve.

check the solution.

step-by-step explanation:

answer: the anser is 3

step-by-step explanation:

c- 2o is equal to 9