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Norma-Jean [14]
3 years ago
11

Solve. -2x-1-2x+43=97+7x

Mathematics
1 answer:
Alexeev081 [22]3 years ago
6 0
Hey there! :) 

-2x - 1 - 2x + 43 = 97 + 7x

Add like terms!! 

(-2x - 2x) + (-1 + 43) = 97 + 7x

Simplify.

-4x + 42 = 97 + 7x

Now, we have to isolate x. To do this, we must subtract 42 from both sides.

-4x = 97 + 7x - 42

Then, subtract 7x from both sides.

-4x - 7x = 97 - 42

Simplify.

-11x = 55

Divide both sides by -11.

x = -5

~Hope I helped!~
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Anuta_ua [19.1K]

Answer:

Answer A Because If you calculate It the slope for the graph Is 4

4 0
3 years ago
Find the geometric mean between the following two numbers below and
babunello [35]
Geometric mean = √ab
G.M. = √151*224
G.M. = 33824
G.M. = 183.91

In short, Your Answer would be 183.9

Hope this helps!
6 0
3 years ago
Joanne has 20 books on crafts and cooking. she has 6 more cookbooks than craft books. how many of each does she have?​
marin [14]

Answer:

Crafts books: 7

Cookbooks: 13

Step-by-step explanation:

Let x be the crafts book

Let y be the cookbooks

Solve for x:

  1. Plug x and y in: x + y = 20
  2. Re-write: y = x + 6
  3. Plug in x + 6 instead of y: x + x + 6 = 20
  4. Combine like terms: 2x + 6 = 20
  5. Subtract 6 from each side, so it now looks like this: 2x = 14
  6. Divide each side by 2 to cancel out the 2 next to x. It should now look like this: x = 7

Solve for y:

  1. Re-use an equation from above: y = x + 6
  2. Plug in the value of x: y = 7 + 6
  3. 7 + 6 = 13
  4. So, y = 13

I hope this helps!

5 0
4 years ago
Write the equation of the line that goes through each set of points (-1,6),(3-2)
Mariana [72]

The point-slope form:

y-y_1=m(x-x_1)\\\\m=\dfrac{y_2-y_1}{x_2-x_1}

We have the points (-1, 6) and (3, -2). Substitute:

m=\dfrac{-2-6}{3-(-1)}=\dfrac{-8}{4}=-2\\\\y-6=-2(x-(-1))\\\\y-6=-2(x+1)\qquad\text{use distributive property}\\\\y-6=-2x-2\qquad\text{add 6 to both sides}\\\\y=-2x+4\qquad\text{add 2x to both sides}\\\\2x+y=4

<h3>Answer:</h3><h3>y - 6 = -2(x + 1)    <em>point-slope form</em></h3><h3>y = -2x + 4      <em>slope-intercept form</em></h3><h3>2x + y = 4     <em>standard form</em></h3>
4 0
3 years ago
I GIVE THANKS AND 5 STARS!!<br> take a look that the screenshot, anyone know the answer??
morpeh [17]
Substitute each value until the answer is correct

a. 1 = -4 x -5 -1
1 does not equal 19
b. 15 = -4 x 4 -1
15 does not equal -17
c. -5 = -4 x 1 -1
-5 equals -5
just to make sure the last answer is incorrect
d. -7 = -4 x 2 -1
-7 does not equal -9
4 0
3 years ago
Read 2 more answers
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