Solve the system of equations in three variables. - 2z = 8 4y + 3z = -9 1 5х 2 x+-y = -1

Q: Solve the system by substitution  1/4x-1/6y= 6 -1/3x-1/2y= 5

A: The given system of equations is

Q: Write a system of linear equations that has the order pair (−3,7) as a solution.

A: Write a system of linear equations that has the order pair  (a,b) is y=(b/a)x

Q: Solve the system by substitution> 4x-y=-8 2y-x=9

A: First of all, get the value of “y” in terms of “x” in equation (1) to get equation (3).

Q: Solve the system   -a+4b+2c=-8 3a+b-4c=9 b=-1

A:

Q: Write a system of linear equations with solution set {(4, −3)}.

A: To find the system of linear equations having the solution set (4,-3), this can be think of the two…

Q: Select all equations that are equivalent to: 3(2x-4) = 18 2x-4 = 15 6x-12 = 18 6x-12 = 54 2x-4 = 6…

A: See the detailed solution below.

Q: x=2+2y 3x-5=6y  solve system of equations

A: If (a1/a2) = (b1/b2) ≠ (c1/c2), then there will be no solution.   x - 2y = 2...(1) a1 = 1, b1 = -2,…

Q: solve the system using elimination  2x+3y=20         -3x+ 5y = 65

A: