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Setler [38]
2 years ago
14

3. 9 (3x + 1) - 3(2x + 3) - Simplify the expression

Mathematics
2 answers:
Tanya [424]2 years ago
8 0

Answer:

The answer for this question would be 21x (when simplified).

timurjin [86]2 years ago
3 0

Answer:

9 (3x + 1) - 3(2x + 3)

we have to simplify the given expression

↝ 9(3x+1) - 3(2x+3)

↝ (27x+9) - (6x+9)

↝ 27x + 9 - 6x - 9

↝ 27x - 6x + 9 - 9

↝ 21x

So, the required answer is 21x .

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Answer:

37/60 OR 111/180

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The cost of 6 sandwiches and 4 drinks is $53. The cost of 4 sandwiches and 6 drinks is $47. How much does one sandwich cost?
melomori [17]

In this question, we're trying to find cost of one sandwich.

To find this, we must make a systems of equation from the given information:

We would represent sandwiches as "s" and drinks as "d".

Systems of equations:

6s + 4d = 53

4s + 6d = 47

Solve for s:

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--------------------------

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Divide both sides by s

s = 6.50

This means that one sandwich costs $6.50

Answer:

$6.50

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