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harkovskaia [24]
3 years ago
7

What is the solution -7=-3x+5+2x​

Mathematics
2 answers:
insens350 [35]3 years ago
5 0
-7=-x+5 (move the terms)
x=5+7 (add the numbers)
x=12
poizon [28]3 years ago
3 0

Answer:

12 = x

Step-by-step explanation:

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Serena bought 3/4 pound of cheese. She used 2/3 of the cheese for sandwiches.
erik [133]
So,

Serena starts with three fourths pounds of cheese, and uses two thirds of it.  That is equivalent to the following expression:

\frac{3}{4} * \frac{2}{3} =  \frac{3 * 2}{4 * 3} =  \frac{2 * 3}{2 * 2 * 3}

Cross-cancel.
\frac{1}{2}

Serena used one-half pound of cheese.

The correct option is C.
7 0
2 years ago
Read 2 more answers
Can u solve this pls easy? A geologist takes samples of two rocks from a mountainside. The gray rock has a volume 25% higher tha
Korolek [52]

Answer:

Text me back for an answer.

Step-by-step explanation:

Make sure you text back.

5 0
2 years ago
btw -_- I've gotten them all right the way here I know it looks like I'm stupid but fr I been keepin up lately anyways lol plz a
Ksju [112]

Answer:

10

Step-by-step explanation:

Since T is the midpoint of PQ, we know that PT = TQ, therefore:

3x + 1 = 5x - 5

-2x = -6

x = 3

Since PT = 3x + 1, the answer is PT = 3 * 3 + 1 = 10.

3 0
2 years ago
Determine the equation of the line passing through the points (−1,1) and (1,7).
Contact [7]

Answer:

3x - y = -4

Step-by-step explanation:

To make things easier, let's first find the equation in slope-intercept form (y = mx + b  where m is the slope and b is the y-intercept.

1. Find the slope:

\frac{7 - 1}{1 - (-1)}  = \frac{6}{2}  = 3

2. Find the y-intercept by plugging in (-1,1) into the equation y = 3x + b

1 = 3(-1) + b

so b = 4

3. Therefore the equation of the line in slope-intercept form is y = 3x + 4

4. To convert slope-intercept form into standard form, let's move the 3x over to the other side and divide by -1 to get rid of the negative.

Our result is 3x - y = -4.

Hope this helps :)

3 0
1 year ago
Can you please give the answer with the step by step as well.
gogolik [260]

Answer:

easy :) answer is 12x-8y

Step-by-step explanation:

all you do is combine like terms

1. the 10x + 2x which is 12x

2. (this part gets tricky) you have a NEGITIVE 5 minus 3 so if you are subtracting by a negitive number you add (5+3=8) and keep the negitive (-8y)

4 0
3 years ago
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