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vodomira [7]
3 years ago
9

Solve the question: 2x-6=4x+6​

Mathematics
1 answer:
Anuta_ua [19.1K]3 years ago
8 0

2x - 6 = 4x + 6

First, you will want to eliminate all the variables on one side of the equation.

2x - 6 = 4x + 6

-4x       -4x

-2x - 6 = 6

Then, you want to get rid of the constant on the side with the variable

-2x -6 = 6

     +6   +6

-2x = 12

Now, subtract the coefficient from the variable

-2x = 12

/-2    /-2

x = -6

You now have your answer, which is x = -6.

When you perform an operation on one side, you must perform it on the other to make the equation even.

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I'll mark as Brainliest, Please answer ASAP, Ihave MCAS tomorrow. How could this be true?? Please Explain.​
iragen [17]

Answer:

D

Step-by-step explanation:

Put  m+2  in place of 'x'

   (m+2)^2 + 1               <======expand

   m^2 + 4m + 4       + 1   =

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8 0
2 years ago
Suppose you know that the volume of the following prism is represent by V(x) = -2x^3 + 14x^2 + 120x.
erastova [34]

Step-by-step explanation:

-2x³ + 14x² + 120x

= -2x(x² - 7x - 60)

= -2x(x - 12)(x + 5).

The other 2 dimensions are -2x and (x + 5).

When using a graphing calculator to maximise the volume of the prism, we get x = 7.378. However this value is not reasonable as it makes -2x and (x - 12) negative, which are the sides of the prism.

8 0
3 years ago
A projector enlarges an image in the ratio 20:1. What will be the size of an enlargement of a picture that is 8cm by 6cm?
nydimaria [60]

Answer:

160 cm × 120 cm

Step-by-step explanation:

this means 1 cm turns into 20 cm.

so, 8 cm × 6 cm becomes

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3 0
2 years ago
Write an equation for a line that passes thruogh (3,-1) and has a slope of 2
harkovskaia [24]

Answer:

y=2x−7

Step-by-step explanation:

so

formula is ( y 1 − y = m ( x 1 − x))

m is the slope

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−y−1+1=−2x+6+1

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divide both sides by -1

y=2x−7

Hope this helps

Brainliest please

Ask if u have more questions.

3 0
3 years ago
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