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kicyunya [14]
3 years ago
11

Solve 2(x + 3) = x-4

Mathematics
1 answer:
rusak2 [61]3 years ago
3 0

Answer:

x = -10

Step-by-step explanation:

2(x + 3) = x - 4 \\ 2x + 6 = x - 4 \\ 2x - x =  - 4 - 6 \\ x =  - 10

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Brent created a mural, 4/5 of which he painted in shades of blue. Three eighths of the blue area is sky blue. What portion of th
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Answer: \frac{3}{10} of the mural is sky blue.


Step-by-step explanation:

Let x be the full portion of mural.

Since, \frac{4}{5} of mural is painted in shades of blue.

Therefore, the blue portion=\frac{4}{5}x

Also, Three eighths of the blue area is sky blue.

Therefore, the portion of the mural is sky blue=\frac{3}{8}\times\frac{4}{5}x

The portion of the mural is sky blue=\frac{12}{40}x

Simplify, by dividing numerator and denominator by 4, we get

The portion of the mural is sky blue=\frac{3}{10}x


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