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aleksandr82 [10.1K]
3 years ago
15

you and four friends go to johnny rockets. you all split the bill equally. each person share was $6.50. how much was the origina

l bill. let a represent the amount of the original bill
Mathematics
2 answers:
notka56 [123]3 years ago
7 0
$26 is the answer to the question
Jet001 [13]3 years ago
7 0
The original bill was 32.50 because 6.50 x 5 = 32.50
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Reika [66]

Answer:

x = -2

Step-by-step explanation:

For this problem, we must simply solve for x.  To do this, we will need equation operations, and the use of the distributive property.

Let's work this line by line until we have the value for x:

3{-x + (2x + 1)} = x - 1

3*-x + 3*(2x + 1) = x - 1

-3x + 6x + 3 = x - 1

3x + 3 = x - 1

2x = -4

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Now we can check our answer for x by plugging back into the original equation and see if the left hand side is equal to the right hand side:

3{-x + (2x + 1)} = x - 1

3{-(-2) + (2(-2) + 1)} ?= (-2) - 1

3{2 + (-4 + 1)} ?= -3

3{2 + (-3)} ?= -3

3{-1} ?= -3

-3 == -3

Thus, we have found the solution for x to be equivalent to negative 2.

Cheers.

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3 years ago
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Answer:

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Stepkby-step explanation:

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One number is 8 more than another. If the sum of the smaller number and twice the larger number is 46, find the two numbers.Let
valkas [14]

Answer:

x = 18 y = 10

Step-by-step explanation:

let the first number be x

let the second number be y

x = y + 8..... equation 1

2x + y = 46.... equation 2

x is the larger number

y is the smaller number.

Rearrange the equation and add equation 1 to equation 2.

x - y = 8

+ 2x + y = 46

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3x + 0 = 54

3x = 54

divide both sides by 3

x = 54/3

x = 18

Substitute x = 18 into equation 1

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y = 18-8

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Answer:

Kindly check explanation

Step-by-step explanation:

Given the following :

Starting temperature = - 5°F

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Temperature at midday:

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