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sesenic [268]
2 years ago
13

What is the value of x in the equation - 3X+9x+9= 3-37?​

Mathematics
1 answer:
Alina [70]2 years ago
3 0
3x+9x+9=3-37.
3x+9x=12x+9
3-37=-34
12x+9=-34
Cancel 9 out
12x=-43
Divide by 12
X=-3.5
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Please help! and thank you so much!
mel-nik [20]

Answer:

  (d)  30 units²

Step-by-step explanation:

The area of the rectangle is the product of the length and width. It is equal to the number of unit squares that fill the rectangle.

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By counting grid squares or subtracting coordinates, we can see this rectangle is 3 units wide and 10 units high. Its area will be ...

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<em>Additional comment</em>

You can also count the three columns of 10 shaded squares, or the 10 rows of 3 shaded squares. Either way, you will count 30 square units covering the rectangle.

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Answer:

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Step-by-step explanation:

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