Try another version of this question The matrix below represents a system of equations. Write the equations below using `x`, `y`, and `z` as the variables in order.
Get help: Box 1: Enter your answer as an equation. Example: y=3x^2+1, 2+x+y=3
Box 2: Enter your answer as an equation. Example: y=3x^2+1, 2+x+y=3
Box 3: Enter your answer as an equation. Example: y=3x^2+1, 2+x+y=3
`[(2,-1,2,31),(6,-2,-7,-57),(7,6,-1,185)]`
The first equation is
The second equation is
The third equation is
Be sure your variables match those in the question `2x-y+2z = 31`
Be sure your variables match those in the question `6x-2y-7z = -57`
Be sure your variables match those in the question `7x+6y-z = 185`