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bonufazy [111]
2 years ago
12

What does x equal 7(2x+5)=4x -9 -x PLEASEEEE HELPPPP ME

Mathematics
1 answer:
Gennadij [26K]2 years ago
5 0

Answer: x=-4

Step-by-step explanation:

Given

7(2x+5)=4x-9-x

Expand parenthesis

14x+35=4x-9-x

Combine like terms

14x+35=3x-9

Subtract 35 on both sides

14x+35-35=3x-9-35

14x=3x-44

Subtract 3x on both sides

14x-3x=3x-44-3x

11x=-44

Divide 11 on both sides

11x/11=-44/11

x=-4

Hope this helps!! :)

Please let me know if you have any questions

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Maksim231197 [3]

I'm doing 3

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         On the bottom of a double number line we have like, for example,-- the bottom of the double number line would have batches. And its 1, 2, 3 ,4 , etc.

         And on a table, it would be the same, the numbers on both diagrams have the same methods, have same way of lining things up but they're just drawn differently.

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3 0
3 years ago
Does anybbody know the answer to this? #help
Gwar [14]

Answer:

each tube costs $1.5 so put it the point in between 1 and 2

thank you

Step-by-step explanation:

5 0
2 years ago
Somebody please help. I need to finish this you would be a lifesaver.
Vanyuwa [196]

Answer:

Step-by-step explanation:

so what you want to do is take -1/4x+2 3/4 and solve for x and once you got what x is plug it in to the second part 1/2^x +1

4 0
3 years ago
How do I solve inscribed angles?
Slav-nsk [51]
The triangles are similar so the angles are equal
2x^2 - 2 = 10x - 2
2x^2 - 2 - 10x + 2 = 0
2x^2 - 10x = 0
2x(x - 5) = 0
2x = 0       OR        x - 5 = 0
x = 0         OR        x = 5
0 doesn't make sense, because IF I plug 0 into 2x^2 - 2 I get a negative number.  We need to use 5 to find the angle measure

2(5^2) - 2 = 2(25) - 2 = 50 - 2 = 48 degrees or the measure of CED
4 0
2 years ago
Which expression is equivalent to (4x^4/2x^3)^3?<br><br> A) 2x<br> B) 8x<br> C) 8x^3<br> D) 16x^21
allsm [11]

Answer:

None are you sure you have the right expressions.

Step-by-step explanation:

(4x^4/2x^3)^3=(2x^4*x^3)^3=(2x^7)^3=8x^21

5 0
3 years ago
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