Find x, y, and z such that the following is true.   [  x  -5 ]      [ -4    -5 ] [  -2  6 ]  =  [  y-9   6 ] [  -7 6  ]      [ -7   z+x ] x =  y =  z =

Q: Evaluate if x=4,8,3,-2 ∑x ∑x+1 ∑(x+1) 3∑x - 4

A: Given that  if x=4,8,3,-2

Q: -5×(-4+3) 6 (-3) -10 + (-10) 25 X -21 + 7

A: To evaluate an algebraic expression:  1. Follow BODMAS rule. 2. Multiplication of two negative…

Q: If  A= [ 1  3  1 ]        And     B= [ 4  4  -4 ]      [ 3  1  2 ]                          [ -4  0…

A: AB=

Q: Which of the following is equivalent to (1-x)(1+x) - 3x (2-x)? A. 3x² - 6x +1 B. -3²-7x + 1 C.-4x² -…

A: Recall: (a+b)(a-b)=a2-b2

Q: |16-3b|=22

A: Given, an equation |16-3b|=22.

Q: 7 X= |x - 3 10 18

A:

Q: (-9) + |(-1)| - 9 - 3) - 2

A:

Q: Simply the following    9a-3-a+12

A: The given expression is 9a-3-a+12.

Q: Let B = [-1 1 4 -3] Find -4B

A: Solution

Q: Which of the following is equivalent to (1-x)(1+x) -3x(2-x)  A. -4x2 - 6x + 1  B. 2x2 - 7x + 1 C.…

A: Given expression is (1-x)(1+x) - 3x(2-x)

Q: The following expression can be simplified to -1. 5x-3 3-5x 3 , where x + ³. O True о False

A: If the numerator and the denominator is same, it can be cancelled.

Q: b. (6-x)(2 + x)

A:

Q: Let A=[-5   -8]            [   7   4]   Find -4A

A: Given the given matrix is A=-5-874

Q: Let A = [0  2]              [5 -2] Find -4A.  -4A =

A:

Q: Find A. A = (2A)-1 [ -1 -2 2 2

A:

Q: Find x, and x2- 30 X2 - 46

A:

Q: EXE N)(2x +3=4x+2). %3D O True O False

A: We now check whether the following is true or false. (∃ x ∈ N)(2x+3=4x+2) i.e. there exists x ∈ N…

Q: -6|5-2y|=-9

A: Solve equations,

Q: |x - 9| = -x + 13

A: x-9=-x+13

Q: [50-(4+8)+3]-[30+(18-3)]-

A:

Q: Describe the structure of the expression 3xy+5(x-4) ²-7y².

A:

Q: |8x - 7|-1= 10

A:

Q: Find x, and x2.· - 5 - 4 X1 - 55 4 - 5 X2 3 X1 = %3D II

A: To find x1, x2

Q: 6(x+9)=2

A:

Q: |n+7|-10= -9

A:

Q: X=6{2+3[2(8-3)+(4+1)-2]}

A: Given,          x=62+328-3+4+1-2

Q: Find the following expressions if a = (6r, 0, r), b = (6s, –s, 7s), and c = (2t, 10t, 5). a ·b = 1.…

A: We need to find dot product.

Q: -4 -! - 2 -2 2 -41 Compute: 1 4

A: NOTE: Refresh your page if you can't see any equations. .

Q: Dimension of ker A is Rank of A is

A:

Q: 12(-13) is this multiplication?

A: We have to check

Q: -7|6x - 9 | +18=18

A: Solve for the x

Q: A=-6 9. 2 4 3 -5

A: