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Artyom0805 [142]
3 years ago
5

If 8x-4=6x-10, find the value of 3x

Mathematics
2 answers:
sertanlavr [38]3 years ago
6 0
8x - 4 = 6x - 10
8x - 6x = - 10 + 4
2x = -6
x = -3
3x = -9
AysviL [449]3 years ago
3 0

Answer:

3x = -9

Step-by-step explanation:

Move all terms containing x to the left side of the equation.

2x-4=-10

Move all terms not containing  x to the right side of the equation.

2x=-6

Divide each term by  2 and simplify.

x=-3

Replace the variable x with -3 in the expression.

3(-3)

Multiply 3 by -3

-9

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<h3>How to calculate the mean?</h3>

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8 0
1 year ago
A café or for senior citizens a 15% discount off it's regular price of $8.95 for the dinner buffet. What percent of the regular
denis23 [38]

Answer:

Price for Senior Citizen = $7.61

Percent of the regular price = 85% off original

Step-by-step explanation:

Regular Price is $8.95

Seniors get 15% off of that. So, first we need to find 15% of 8.95 and then subtract it from 8.95.

To get percentage of a number, we first convert the percentage to decimal (by dividing by 100) and then multiply it with the number.

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Fifteen Percent of 8.95 is:

0.15 * 8.95 = $1.3425

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Rounded to nearest cent = $7.61

How much is this as a percentage of original?

Simple, it is 15% off of the regular price, so this price is 100 - 15 = 85% of original price

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2 years ago
Please help!
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I guess the answer is c:2.
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