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goldenfox [79]
3 years ago
13

Slove and answer -2(x+3y)=18

Mathematics
2 answers:
Brums [2.3K]3 years ago
8 0

Answer:

Let's solve for x.

−2(x+3y)=18

Step 1: Add 6y to both sides.

−2x−6y+6y=18+6y

−2x=6y+18

Step 2: Divide both sides by -2.

−2x/−2

=

6y+18

−2

x=−3y−9

Answer:

−3y−9

Arte-miy333 [17]3 years ago
3 0

Answer:

the answer for x is -9-3y

while the answer for y is -3 x/3

Step-by-step explanation:

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Lydia writes the equation below with the missing value. She puts in a value in the box and says that equation represent a direct
serious [3.7K]

Answer: she put 0 In The box she would have a direct variation

Step-by-step explanation:

Y=5x-0

Lydia has zeroed, this expression means that it is a direct variation

6 0
3 years ago
Read 2 more answers
1) Choose all of the common denominators of 2/3 and 7/9.
pishuonlain [190]

Common denominators of 9 and 3 are 9. 27

Common denominators of 9 and 2 are 18 36

8 0
3 years ago
What are the answers to this?
kvv77 [185]

Answer:

C and D

Step-by-step explanation:

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3 years ago
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900 is times as much as 9
Airida [17]
100 x 9 = 900
so

900 / 100 = 9


7 0
3 years ago
Which equation represents the line that passes through the points (-3, 7) and (9,-1)? oy--3x+5 o y=-x-7 o y=zx-7 oy - 12 2x+5​
olchik [2.2K]

Answer:

The answer is

<h2>y =  -  \frac{2}{3} x + 5</h2>

Step-by-step explanation:

Equation of a line is y = mx + c

where

m is the slope

c is the y intercept

To find the equation we must first find the slope of the line.

So the slope of the line using points (-3, 7) and (9,-1) is

<h3>m =  \frac{ - 1 - 7}{9 + 3}  =  -  \frac{8}{12}  =  -  \frac{2}{3}</h3>

Now we use the formula

<h3>y - y1 = m(x - x1)</h3>

where

m is the slope

( x1 , y1) is any of the points given

So the equation of the line using point

( - 3 , 7) and slope - 2/3 is

<h3>y - 7 =  -  \frac{2}{3} (x + 3) \\ y - 7 =  -  \frac{2}{3} x - 2 \\ y =  -  \frac{2}{3} x - 2 + 7</h3>

We have the final answer as

<h3>y =  -  \frac{2}{3} x + 5</h3>

Hope this helps you

5 0
2 years ago
Read 2 more answers
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