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11111nata11111 [884]
3 years ago
12

What is 2(x+10)=2(3x-8)

Mathematics
2 answers:
Julli [10]3 years ago
7 0

Answer:

x = 9

Step-by-step explanation:

2(x+10)+2(3x)-8    Distribute

2x+20=6x-16      Subtract like terms

20=4x-16     Add 16 on both sides since it negative

36=4x        Divide 4 on both sides

x=9

Mrac [35]3 years ago
3 0

Answer:

x=9

Step-by-step explanation:

we can start by using the distributive property

so then

2x+20=6x-16

we now need to move the variables to one side and the numbers to the other

-4x=-36

x=9

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Which two transformations were preformed
Delicious77 [7]

a stretch by 3 and a rotation

7 0
3 years ago
If 5x – 4 = 31, what is the value of x?​
Lunna [17]

Answer:

x = 5 \frac{2}{5}

Step-by-step explanation:

Hi there!

So, to answer this problem, I'll use the reverse method.

31 - 4 = 27,

So how many times, can 5 go into 27?

The closest factor of 5 to 27 is 25.

5 can go in to 27,  5 times.

Continuing on, there is a 2 left over, so the answer to your question is

x = 5 \frac{2}{5}

5 · 5 \frac{2}{5} - 4 = 31

Let me know if I am incorrect and I will attempt to find the right answer for you.

<em>waffletowne</em>

7 0
3 years ago
Read 2 more answers
Find the answer pleaseeee...<br><br>-15/9 + 9/4 = ? <br><br>Please find what the question mark is​
SVEN [57.7K]

Answer:

7/12

Step-by-step explanation:

-15/9+9/4

We need to make them have the same denominator:

9x4= 36 so that is our new denominator

-15x4= -60

9x9=81

(Sorry if i dont make sense)

Now we have -60/36+81/36 which is equal to 21/36.

Now we simplify:

21/36=7/12

3 0
3 years ago
5<br>X Х please find the answer<br>20​
Daniel [21]

Answer:

2 or 4

Step-by-step explanation:

Since I do not quite understand what you mean by X X, I could think of two answers. If you are doing 5 times X=20, then X = 4, but if you are trying to do 5 times x times x, then x=2.

3 0
3 years ago
Help me im just too lazy to figure it out :)
goldenfox [79]

Answer:

m= -16

Step-by-step explanation:

you would add 19 to -35 because you are trying to isolate the variable m.

7 0
3 years ago
Read 2 more answers
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