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Natali [406]
3 years ago
5

Which are the solutions of x = -7x - 8?

Mathematics
1 answer:
Andrei [34K]3 years ago
4 0

Answer:

is 8-

Step-by-step explanation:

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A store is having a 20%-off sale on all merchandise. If Mai buys one item and saves $13, what was the original price of her purc
grin007 [14]

Answer:

The original price of her purchase was $65.

Step-by-step explanation:

From the information given, you know that $13 represents 20% of the original price and you can use a rule of three to find the value that represents 100%, which would be the original pice of her purchase:

$13 →  20%

 x   ← 100%

x=(13*100)/20

x=1300/20

x=65

According to this, the answer is that the original price of her purchase was $65.

8 0
3 years ago
Yah i need twenty charecters but did not know what to write
lisov135 [29]

Answer:

The answer is 0.04 or 1/25

Step-by-step explanation:

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7 0
3 years ago
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Solve for x. <br><br> 8x/7+9=30
kodGreya [7K]
X=18 (3/8)
(8x/7) +9 = 30
subtract 9 from both sides
8x/7=21
multiply 7 from both sides
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divide 8 from both sides and you get
x=18 (3/8)
6 0
3 years ago
Solve to find the value of x.
aleksley [76]
135
cross multiply 9*20 then divide by 8


5 0
3 years ago
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