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tatyana61 [14]
2 years ago
11

The product of 8 minus a number and seven equals 40 when decreased by 5

Mathematics
1 answer:
Oksi-84 [34.3K]2 years ago
4 0
7 football fields without the end zones
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4x - 7 = -3x<br><br> What is the answer?
soldi70 [24.7K]

Answer:

x = 1

Step-by-step explanation:

1. Add 3x to both sides of the problem

  • 4x + 3x - 7 = -3x + 3x
  • -3x + 3x cancels out and leaves us with zero
  • 7x - 7 = 0

2. Add 7 to both sides

  • 7x (- 7 + 7) = 0 + 7
  • -7 + 7 cancels out
  • 7x = 7

3. Divide both sides by 7

  • 7x/7 = 7/7
  • x = 1

To make sure our answer is correct we can plug in 1 to x in the problem

  • 4(1) - 7 = -3(1)
  • 4 - 7 = -3 : True
6 0
3 years ago
Read 2 more answers
18. Write an expression to represent the area of the shaded region in simplest form. Please help it's due tomorrow
IgorC [24]

Answer:

(x^2 + 2x - 21) sq units

Step-by-step explanation:

Area of the shaded region = Area of the larger rectangle - Area of smaller rectangle

Area of the larger region = x(x+2)

Area of the larger region =x^2 + 2x

Area of the smaller rectangle = 3 * 7

Area of the smaller rectangle = 21 sq. units

Area of the shaded region = x^2 + 2x - 21

Hence the required expression is (x^2 + 2x - 21) sq units

7 0
2 years ago
I need help due tmrw
White raven [17]

Answer:

yo ill help you but do you happen to have a argumentative essay written ill help u if you help me

3 0
2 years ago
A dealer bought an article for $7 sold it for $8 bought it back for $9 and then sold it for $10 how much profit did he make
Anit [1.1K]
To the total amount of money that a dealer spent is $7 + $9 or %16. His revenue from selling the same articles is $8 + $10 which is equal to $18. The profit is the difference between the total revenue and total cost. 
                              profit = $18 - $16 = $2
Thus, the dealer has a profit of $2. 
5 0
3 years ago
Farmer Jones owns a triangular plece of land.
Elenna [48]
155 is your answer lmk if you need anything else
6 0
3 years ago
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