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skelet666 [1.2K]
3 years ago
8

Solve for x. 7(x + 1) = 21

Mathematics
2 answers:
kari74 [83]3 years ago
6 0
Well its pretty easy if you look at the big picture, to solve for x you can divide 21 by 7 then you can subtract 1  from the quotient and boom you got x
mr Goodwill [35]3 years ago
4 0
7x + 7=21
21-7=14
7x=14
x=2
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Select all the equations that have {4} as its solution set. 5 + 2x = 3x + 37−x=12x79−3x=12x+19x2+3=10x−21
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Answer:

Option 3 (79−3x=12x+19)

Step-by-step explanation:

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Solnce55 [7]

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In equation form we can show like :

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Putting values of x as 0,2,4 and 6 we get:

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You can see the graph attached.

3 0
3 years ago
Giving brainlist to whoever answers
alexira [117]
Correct answer is B
10/15=.666
This is RW divided by RT
Now you have to use the scale factor. Multiply by 18 to get WV
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Good Luck Thnks for brainiest :)
7 0
2 years ago
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