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makvit [3.9K]
4 years ago
6

The value of 9−y is twice the value of y. What is the value of y?

Mathematics
1 answer:
ElenaW [278]4 years ago
7 0

Answer:

y = 3

Step-by-step explanation:

9 - y = 2y

<u>Step 1:  Add y to both sides</u>

9 - y + y = 2y + y

9 = 3y

<u>Step 2:  Divide both sides by 3</u>

9 / 3 = 3y / 3

3 = y

Answer:  y = 3

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Step-by-step explanation:

A. 3x+4/2 = 9.5

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3x+4= 9.5×2

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x=5 ..........divide both sides by 3

B. 7+ 2x/3= 5.......criss cross

7+2x = 5 × 3

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3 years ago
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Answer:

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3 years ago
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melomori [17]
50% is more as 50% of 60 is 30. if it was 25 dollars off, it would be 60-25 which is 35. in conclusion the green coupon or the 50% off coupon, is better!
5 0
3 years ago
Having trouble with this one can someone teach me how to find the slope in this question. Try to help me learn it aswell. Its in
ASHA 777 [7]
Hi there! The answer is -2.

We can find the slope of a formula by using the following formula:

slope = \frac{change \: of \: y}{change \: of \: x} =\frac{y2 - y1}{x2 - x1}
x2 and y2 don't mean squared, but the x and y coordinate of our second point.

First we need to find two points on the line. Ijn this particular case we have (-3, 3) and (1, -5). Now we can fill in the formula.

slope = \frac{ - 5 - 3}{1 - - 3} = \frac{ - 8}{4} = - 2

Therefore, the third answer is correct.
~ Hope this helps you!
7 0
4 years ago
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