Which equation(s) represents a line that contains the point (-8,3) and is perpendicular to =4x - 7 ?
1 answer:
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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: