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quester [9]
3 years ago
5

What value of X makes the equation true -7x - (-5-x) = -9(2x-1) -1

Mathematics
1 answer:
Bond [772]3 years ago
5 0

Answer:

x = 1/4

Step-by-step explanation:

-7x - (-5-x) = -9(2x-1) -1

-7x + 5 + x = -18x + 9 - 1

combine like terms:

-6x + 5 = -18x + 8

add 18x to each side of the equation:

12x + 5 = 8

subtract 5 from each side:

12x = 3

divide both sides by 12:

x = 3/12 = 1/4

You might be interested in
What is an equation of the line that passes through the point (-4,-6) and is
Kay [80]

Answer:

y = -1/2c - 8

Step-by-step explanation:

2c - y = 6

2c -6 = y

Slope: 2. Slope of the perpendicular line: -1/2

Point (-4,-6)

y-intercept = -6 - (-1/2)(-4)

b = -6 -2 = -8

8 0
3 years ago
NEED HELP ASAP<br><br>(5,-17), (-6,3) <br><br> find the slope
lilavasa [31]

Answer:

m= -20/11

Step-by-step explanation:

Slope is equal to the change in <em>y</em> over the change in <em>x</em>, or rise over run.

m= change in y/ change in x

The change in  x  is equal to the difference in x-coordinates (also called run), and the change in  y  is equal to the difference in y-coordinates (also called rise).

m = y 2 − y 1/ x 2 − x 1

Substitute in the values of x  and  y  into the equation to find the slope.

m= 3-(-17)/-6-(5)

m= -20/11

7 0
3 years ago
[(3-^5)(3^4)]^3 I have no clue what to do here please help
Degger [83]

Answer:

\frac{1}{27}

Step-by-step explanation:

7 0
3 years ago
The measure of arc XZ is 32°.<br> What is the measure of XYZ?
Irina18 [472]

Answer:

  D. 16°

Step-by-step explanation:

An inscribed angle has half the measure of the arc it subtends.

  ∠Y = (1/2)XZ = (1/2)(32°)

  ∠Y = 16°

5 0
3 years ago
Hue is arranging chairs. She can form 2 rows of a given length with 2 chairs left over, or 6 rows of that same length if she get
Nady [450]
There are 7 chairs in each row length.
Step-by-step explanation:
Let number of chairs in 1 row be 'x'.
Let total number of chairs be 'y'.
Given:
Hue can form 6 rows of a given length with 3 chairs left over.
It means that Total number of chairs is equal to chairs in 1 rows multiplied by number of rows which is 6 plus number of chairs which is left which is 3.
Framing in equation form we get.

Also Given:
Hue can form 8 rows of that same length if she gets 11 more chairs.
It means that Total number of chairs is equal to chairs in 1 rows multiplied by number of rows which is 8 minus number of chairs which is required more which is 11.
Framing in equation form we get.

From equation 1 and equation 2 we can say that L.H.S is same.
So according to law of transitivity we get;

Combining like terms we get;

Using Subtraction and Addition property we get;

Now Using Division Property we will divide both side by 2.

Hence there are 7 chairs in each row length.
8 0
3 years ago
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