Write the values of `x,y and z` from the following equation: `[[x+y+z],[ x+z],[ y+z]]=[[9], [5], [7]]`

Write the values of x-y+z from the following equation: [[x+y+z], [x+z ],[y+z]]=[[9],[5],[ 7]]

Find the values of x, y and z from the following equations:(i) [[4, 3],[x,5]]=[[y, z],[1, 5]] (ii) [[x+y,3],[ 5+z, x y]]=[[6, 3],[ 5 ,8]] (iii) [[x+y+z],[ x+z],[ y+z]]=[[9],[ 5],[ 7]]

Find x,y,z from the following equation: [[4,3],[x,5]] = [[y, z], [1,5]]

find the values of x,y and zfrom the following equations : (i) [{:(4,3),(x,5):}]=[{:(y,z),(1,5):}] (ii) [{:(x+y,2),(5+z,xy):}]=[{:(6,2),(5,8):}] (iii) [{:(x+y+z),(x+z),(y+z):}]=[{:(9),(5),(7):}]

Find the values of x,y,z from the following matrix equation : [{:(x+y,x+y+z),(2x+y,0):}]=[{:(3,6),(5,0):}]

Add the following expressions: 2x+9y-7z, 3y+z-3x, 3z-4y-x

Find the values of x, y, z if the matrix A=[[0, 2y, z],[ x, y,-z],[ x,-y, z]] satisfy the equation A^(prime)A=I .

Solve the system of equations in x,y and z satisfying the following equations x+[y]+{z}=3.1, y+[z]+{x}=4.3 and z+[x]+{y}=5.4

Add the following: (i) x – 3y – 2z , 5x + 7y – 8z , 3x – 2y + 5z

Using matrices, solve the following system of equations: x+y+z=6 ; x+2z=7 ; 3x+y+z=12