Answer:
The number is -6
The second operation is -60
Step-by-step explanation:
Let the number be x.
Solving (a): The value of x
Operations 1:
Multiply by 3: 3x
Add 40: 3x + 40
Operations 2:
Add 17: x + 17
Multiply by 2: (x + 17) * 2
To find x, equate both operations.


Collect like terms


Solving (b):
Operations:
Subtract 9: 
Multiply by 4: 
This gives:



You could not use as much as your using or save more to have more.
They would be more down and not as high
3,450
Answer:
The answer to your question is given in the attached photo.
Step-by-step explanation:
To determine the answer to the question,
First, we shall determine the value 3A.
This is obtained by multiplying matrix A by 3 as shown in the attached photo.
Next, we shall carry out the operation 3A – B as shown in the attached photo.
Answer:ew
Step-by-step explanation:
x + y = 6......(1)
x - y = 2.......(2)
Adding (1) and (2)
x + x + y - y = 6 + 2
2x = 8
Dividing by 2
x = 8/2
x = 4
And x + y = 6
y = 6 - x
y = 6 - 4
y = 2
(x,y) = (4,2)