For each ordered pair, determine whether it is a solution to the system of equations. -2x+7y=3 5x-3y=7 (x, y) (-8, 0) (-4,-9) (2, 1) (9,3) Is it a solution? Yes O O No O O O X 5

Q: Зх — у 3 1 y — 6х + 2у — -2 |

A: 3x-y=1      →1-6x+2y=-2   →2AX=B3-1-62 xy=1-2ρA:B~3-1  :1-6  2   :-2~3-1: 100:  0…

Q: Solve the system of linear equations: {x + 2y- 3z = -5 {-2x - 4y-6z = 10 | {3x +7y-2z = 13

A: Using elementary row operation, we solve yhe given linear system.

Q: Solve the system of linear equations: 6x + 5y = -8 -4x + 3y = 18 X = y =

A:

Q: 7. y=-7x-1 ソ=x-9

A:

Q: Solve the system: -x+y+z = -1 x-2y+z = 7 4x+2y-2z = -4

A: Given the equations,         -x + y + z = -1          x - 2y + z = 7        4x + 2y - 2z = -4

Q: 9. x-y=-9 8x -3y =-62

A:

Q: Solve each system of equations graphically

A: To sketch the graph

Q: Write a system of equations that can be used to determine how many bottles of water and sandwiches…

A: To find out the numbe of bottles of water and number of sandwiches.

Q: solve the system of equations and please show work, 2x-5y+z=14 -x+y-z=-7 x-3y=6

A:

Q: Solve the system of equations: 2x + 3y = -4 %3D 3x +2y -1

A: Given,         The system of equations are:           2x+3y=-4           3x+2y=-1

Q: Solve the system of linear equations: x-y+z=-2 x+2y-z=2 2y+3z=7

A: x - y + z = -2x + 2y - z = 22y + 3z = 7The system of equation written in matrix formAx =…