Solve the following system of equations for all three variables. 2x+8y + z = -7 2x + 7y-z = -2 x+7y-z = 4

Q: Solve the System by Elimination/Addition {−2x+6y=−30 −6x+12y=−66

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Q: The solution of the following system is (1, -7). Find A and B and put them into the system of…

A: The solution of the system of equation is

Q: Solve the following system of equation = 3y+6 -12 - 2x + 6y

A: The given equations are       x        =3y+6-2x+6y=-12 Substitute 3y+6 for x in the given second…

Q: Solve the system 4x₁ + 8x₂12x3 = 44 3x₁ + 6x₂ 8x, = 32 -2x₁-x₂ = -7 -

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Q: Which point is the solution to the following system of equations? X = 2y + 6 Зх - у %3D 13

A: Here we have to solve the system of linear equations

Q: Solve the following system of equations. 3x = 2y-5 2x+5y = -35 and y= (Simplify your answers.) X=

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Q: from the linear system: a - 7b   + 6d  = 5           c - 2d   = -3                0     = 0 find…

A: Given system of linear equations is a-7b+6d=5c-2d=-30=0 This system can be re-written as…

Q: What is the value of x in the solution to this system of equations? 3x 2y + 14 %3D y = -6x +18 O 2…

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Q: | 12. Solve the system of equations below: 4x + 2y = 22 -2r + 2y = -8

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Q: Q: Solve the following systems of equations by using the using the method of substitution. 3x - 5y =…

A: The system of equations is given by 3x-5y =-1…

Q: 9. Solve for a in the following system of equations. 5а- 2b - 3 2а - b 3D 0

A: Given system of equations -  5a - 2b = 3..........(1) 2a - b  = 0............(2) we have to find…

Q: Mike has a collection of 23 coins, consisting of 5-cents, 10-cents, and 25-cent coins. He has 3 more…

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Q: -2x - 2y =-6 6 --X-y=-3

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Q: Solve the system using elimination. x= y = 2= -6x 5x 4x -5y +3z -2y-6z +3y -4z = -45 33 37

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Q: Solve the system of equations. y+z = -5 2x+ 5y+ 2z = -16 -x+6y-3z = -1

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Q: 4x + 6y = 20 6x + 2y = 2 -10x + 2y = 18 Solve the following systems of equations with the…

A: The number of variables is 2 which are and and the number of equations is 3. By solving any two…

Q: Charlie goes to his piggy bank and finds 35 coins, all nickels and quarters, worth $5.15. Which…

A: Let N be the number of nickels and Q be the number of quarters. In total Charlie found 35 coins. So,…