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snow_tiger [21]
3 years ago
10

Seven times a number plus three times the same number is subtracted from 7

Mathematics
2 answers:
V125BC [204]3 years ago
7 0

Answer: 4x + 21 or 7 - 10x or -7x^2 - 3x + 7

not sure based on how the question is worded but it could be either 4x + 21 or 7 - 10x or -7x^2 - 3x + 7

Step-by-step explanation:

option 1

7x + 3(7-x)

= 7x + 21 - 3x

= 4x + 21

option 2

7 - (7x + 3x)

= 7 - 10x

option 3

7- (x(7x + 3))

7 - (7x^2 + 3x)

-7x^2 - 3x + 7

cricket20 [7]3 years ago
3 0
Option 3nzksmlalaow wl xkdodmx
Xox clxo ii mc cicico
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PLEASE HELPP!! How do I solve 4(x-8) = -2(x-5). Picture above.
dimulka [17.4K]

Answer:

x=7

Step-by-step explanation:

4(x-8)= -2(x-5)

4x+32= -2x+10

+2x          +2x

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6 0
3 years ago
Point a is at (-7,-7) and m is at (-6,-1) what are the coordinates of point b
AlekseyPX

Answer:

The coordinates of point b are (-5,5).

Step-by-step explanation:

Given:

Point a is at (-7,-7) and m is at (-6,-1).

So, to find the coordinates of point b.

Let a (-7,-7) be (x_{1},y_{1}), m (-6,-1) and b (x_{2} ,y_{2}).

Now, putting the formula to get the coordinates:

m=\frac{x_{1}+x_{2}}{2} , \frac{y_{1}+y_{2}}{2}

⇒(-6,-1)=\frac{-7+x_{2}}{2} , \frac{-7+y_{2}}{2}

So, here we will make two equations to find the value of x_{2} andy_{2}:

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multiplying both sides by 2

⇒-12=-7+x_{2}

⇒-5=x_{2}

And, now same method for getting the value of y_{2}.

-1=\frac{-7+y_{2}}{2}

multiplying both sides by 2

⇒-2=-7+y_{2}

⇒5=y_{2}.

The value of (x_{2} ,y_{2}) = (-5,5).

Therefore, the coordinates of point b are (-5,5).

4 0
3 years ago
Evaluate the equation if x = 3 and y = 6 <br><br> 4x+3y<br><br> a. 33<br> b. 30<br> c. 25<br> d. 16
pickupchik [31]
4x+3y
4(3)+3(6)
12+18
30
6 0
3 years ago
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