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12345 [234]
3 years ago
8

What value of x is in the solution set of 2(4+2x)>5x+5

Mathematics
1 answer:
Serggg [28]3 years ago
7 0

Answer:

x < 3

Step-by-step explanation:

2(4+2x)>5x+5

Distribute

8 +4x > 5x+5

Subtract 4x from each side

8 +4x-4x > 5x-4x+5

8 > x+5

Subtract 5 from each side

8-5 > x+5-5

3 > x

X must be less than 3

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The 9th graders are selling tickets to raise
Sidana [21]

Answer:

There were 30 children and 10 adults.

Step-by-step explanation:

Since they sold tickets to adults and childrens, the sum of those tickets must be equal to the total tickets that were sold, so we can mount our first equation as shown below:

adult + children = 40

Each adult ticket costs $9 and each children costs $5 and the total recieved was $240, therefore:

9*adult + 5*children = 240

We can mount the following equation system:

adult + children = 40

9*adult + 5*children = 240

We will multiply the first equation by -5 and sum both equations:

-5*adult -5*children = -200

9*adult + 5*children = 240

4*adult = 40

adult = 40 / 4

adult = 10

adult + children = 40

children = 40 - adult = 40 - 10 = 30

There were 30 children and 10 adults.

3 0
3 years ago
How do you solve 5y+34=-2 (1-7y)
sergiy2304 [10]
You just kind of do it
6 0
3 years ago
Read 2 more answers
Determine the factor for the following expression: 4x + 8.
Temka [501]
4x + 8.....the factor is 4

4(x + 2)
7 0
4 years ago
Can someone help me with the problems in the images
dezoksy [38]

Answer:

the first one is 5. 5 and second is 5

Step-by-step explanation:

sorry i couldnt do the others

3 0
3 years ago
Read 2 more answers
Solve -52 = 4m for m
ZanzabumX [31]

Note the equal sign. What you do to one side, you do to the other.


Isolate the variable. Divide 4 from both sides


(-52)/4 = (4m)/4


m = -52/4


m = -13


-13 is your answer for m



hope this helps

8 0
3 years ago
Read 2 more answers
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