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12345 [234]
3 years ago
9

一7+12 * what’s this answer?

Mathematics
2 answers:
zvonat [6]3 years ago
8 0

Answer: 5

Step-by-step explanation: -7+12=5. So, 5 is the answer.

AleksAgata [21]3 years ago
6 0

Answer:

5

Step-by-step explanation:

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STatiana [176]

Answer:  \displaystyle y= \frac{2\text{x}}{4\text{x} - 1}

============================================

Work Shown:

8\text{x}y= 2(2\text{x} + y)\\\\8\text{x}y= 4\text{x} + 2y\\\\8\text{x}y - 2y= 4\text{x}\\\\y(8\text{x} - 2)= 4\text{x}\\\\y= \frac{4\text{x}}{8\text{x} - 2}\\\\y= \frac{2*2\text{x}}{2(4\text{x} - 1)}\\\\y= \frac{2\text{x}}{4\text{x} - 1}\\\\

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

Explanation:

The idea is to first get all the y terms to one side. I did this by subtracting 2y from both sides in the third step.

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