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bazaltina [42]
3 years ago
9

4x+8=2x+7+2x- 20 what is it

Mathematics
2 answers:
amm18123 years ago
7 0
4x+8=2x+7+2x-20

Combine like terms: 4x+8=4x-13
Subtract 8 from each side: 4x=4x-21
Subtract 4x from each side: 0= -21
There are no solutions to this equation.

FinnZ [79.3K]3 years ago
5 0
<span>We simplify the equation to the form, which is simple to understand
<span>4x+8-2x=20

We move all terms containing x to the left and all other terms to the right.
<span>+4x-2x=+20-8

We simplify left and right side of the equation.
<span>+2x=+12

We divide both sides of the equation by 2 to get x.
<span>x=6</span></span></span></span></span>
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Evaluate the following expression when n = 6.<br> |n - 6| - |5 - n|
Igoryamba

Answer:

-1

Step-by-step explanation:

1. Substitute n with 6 because n=6

2. Then you simply solve both sides so (6-6)-(5-6) because n=6

3.so then you get the absolute value of 0 subtracted by the absolute values of -1

4. So because all absolute values change it to positive you get 0-1 instead of 0- - 1

5. So the final answer is -1

Sorry if this was confusing, I’m really bad at explaining. :)

7 0
3 years ago
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Answer:

ok

Step-by-step explanation:

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3 years ago
Sammy solve 68 math problems in 17 minutes at what rate did he solve the math problems​
katen-ka-za [31]

Answer:

4 math problems/minute

Step-by-step explanation:

68/17

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2 years ago
You are buying 12-packs of Mountain Dew for $\text{4.50}4.50 each and have a gift card worth $77. The function m\left(x\right)=4
poizon [28]

Answer:

$191

Step-by-step explanation:

The function is given by :

m(x) = 4.50x-7 ...(1)

Where

m(x) is the total cost if you buy x 12 packs of Mountain Dew.

We need to find the cost you pay to buy 44 12-packs of Mountain Dew

Put x = 44 in equation (1), we get :

m(x) = 4.50(44)-7

m(x) = 198-7

m(x) = $191

Hene, the cost for 44 12- packs of Mountain Dew is $191.

7 0
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