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zzz [600]
3 years ago
5

-7x = -28 solving one step equations show your work

Mathematics
2 answers:
scoray [572]3 years ago
3 0

Answer:

x=4

Step-by-step explanation:

-7x=-28

-7     -7

x=4

Divide both sides by -7.  A negative divided by a negative will give you a positive. So the answer would be x=4.

lozanna [386]3 years ago
3 0

Answer:

x=4

you divide both sides by -7 to get the x by itself. -28 divided by -7 is 4.

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3 years ago
Need help ASAP! Directions in picture ;)
GuDViN [60]
The supplement of < 72 has the same measure as < (4x + 8). Therefore, < (4x + 8) must equal 108°. We can establish the following equality statement to solve for x:

< (4x + 8) + < 72° = 180°

Combine like terms:
4x + 80 = 180°

Subtract 80 from both sides:

4x + 80° - 80° = 180° - 80°

4x = 100

Divide both sides by 4 to solve for x:

4x/4 = 100/4

x = 25

To verify whether the value of x is correct, substitute its value into the equality statement:

< (4x + 8)° + < 72° = 180°

< [4(25) + 8]° + < 72° = 180°

< (100 + 8)° + < 72° = 180°

< 108° + < 72° = 180°

180° = 180° (True statement. Therefore, the correct answer is x = 25).

Please mark my answers as the Brainliest if you find this helpful :)
6 0
2 years ago
Plsssss helppp meeeee
Zinaida [17]

Answer:

10

Step-by-step explanation:

7+15/5

4 0
3 years ago
Read 2 more answers
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eduard

Answer:

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Step-by-step explanation:

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Sorry i dont know but if you want points you could spam things like this and get points

8 0
3 years ago
N/1.6 = 5 what does n equal
FinnZ [79.3K]
N= 8
b/c if u do it backwards 5*1.6=8- you get 8
and to check 8/1.6=5

so n= 5
hope this helps
6 0
3 years ago
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