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Tasya [4]
3 years ago
14

How many solutions are there to the equation below? 5x+48+7x=12(x+4)

Mathematics
1 answer:
aev [14]3 years ago
6 0
Hi there! The answer is A.

5x + 48 + 7x = 12(x + 4)
Work out parenthesis.

5x + 48 + 7x = 12x + 48
Collect terms

12x + 48 = 12x + 48
Now we can see that both sides of the equation are exactly the same. Therefore, it doesn't matter whatever value of x you plug into the equation. Each value of x you plug into the equation makes the equation correct, because both sides are the same (both sides have the same outcome value).

The answer is A.


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A square has an area of 100 in ^2. What is the perimeter of the square
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To fill the 18 gallon gas tank in Samantha's car, it cost her $49.14, find the cost per gallon.
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Read 2 more answers
Determine if the lines -2x + 3y = -1 and 6x + 4y = 4 are parallel, perpendicular or neither. Explain.
xz_007 [3.2K]

Answer:

Perpendicular

Step-by-step explanation:

-2x+3y=-1

6x+4y=4

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

3y=-1-(-2x)

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y=2/3x-1/3

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

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y=-3/2x+1

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

2/3 and -3/2 are negative reciprocals, therefore, they are perpendicular.

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3 years ago
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