Solve the system by back substitution. -4x-8y-2z - 6w = 5 -4y-24z-8w = -32 -4z-4w= -8 4w= 12 The solution set is {0} (Type an integer or a simplified fraction.)

Q: -3x+y=-17 -x+y=-5 substitution method.

A: Solve the given equation

Q: 3x - 5y= -13  -2x + 3y = 8

A:

Q: 2x+1=5

A: To solve for x

Q: 3x+8y+13x=

A: Answer

Q: 11x-20y=28  3x+4y=36

A:

Q: If C = 2m2 + m and D = 2 - 6m + 2m2, find an expression that equals %3D 2C - 2D in standard form.

A: Given:  C=2m2+mD=2-6m+2m2 To find: We have to find 2C-2D in standard form.

Q: 2x2 +6x -20=0

A:

Q: 7x - 2y = 19  3x + 5y = 14

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Q: 3x+2=5

A:

Q: Suppose that it costs $17 to place a classified advertisement in the​ newspaper, plus ​$3 for each…

A: An order pair can be written as (1,20).

Q: 2x-4y=6 -2x-5y=-15

A: We have to solve the given two equations.

Q: Distinguish the number of solutions. -6x - 4y= -4 3x + 2y = 6

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Q: 2x+2x=2

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Q: 3x+4 = 0

A: Given equation is 3x+4=0, we need to find x from the given equationSubtracting 4 on both sides:

Q: Subtract. (7x° - 4x² + 6x – 7) - (3x° - 7x² - 4x + 2) (7x - 4x +6x-7) - (3x°-7x2 - 4x+ 2) =D…

A:

Q: 3x + 4y = 19 3x + 6y = 33

A:

Q: 2x + 4y + 6 + 2y - 5 + 3x =

A: Given 2x+4y+6+2y-5+3x=______

Q: 5x - 3y = 18 3x + 3y = 30

A: From the given problem:   5x-3y=18 ....13x+3y=30.....(2)   Now adding the equation (1) & (2).…

Q: S4x+8y -20 5x + 2y=-41

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Q: 2X2 + 7X = 5=0

A:

Q: Multiply. (5w+3)(6w²-2w+7) Simplify your answer.

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Q: 8z - 4 = 6z + 3 Find z

A: To find z 8z - 4 = 6z + 3

Q: Show the proper algebraic steps to 2x+4 = 4x. %3D

A: According to the question, we have to solve the algebraic expression 2x+4=4x and find the value of…

Q: 8x+8y=-24 y=-3x+5

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Q: 2x-2y=-8 x-2y=-9

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Q: 5x+y=-7 -3x-2y=-12

A:

Q: 7w/4 + 5 = 3w/10 + 1

A: To find the value of w satisfying the given equation

Q: -4x-y=-18 4x+5y=10 Use elimination method

A: We have to solve

Q: 3x + 5 = -5x + 3 ×=

A:

Q: 2x-4y=-22 2x-3y=-19

A:

Q: 4x(2x-3)=0

A: Here we have to find the value of x,  We have, 4x(2x-3)=0

Q: Find 4A + 2B. - 6 6. 8 4 A = 7 1 B = 4A + 2B =

A:

Q: 2x+3=-8+3x

A: Solve for x

Q: ubstitution method -2x-y= 9  x+ 7y= 15

A: From the given equation: -2x-y=9-2x-9=y...1 And x+7y=15...2 Now substitute the value of y from…

Q: xp (X +2). /x+4x – 12

A: The given integral ∫dxx+2x2+4x-12. Compute the integral as follows. Let u=x+2 then du=dx.…

Q: b + 1 - 3b = -4 + 6b - 7b

A: Here we will equate the given equation to find the value of b as shown below

Q: x+y=7 2x-y=8

A: