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34kurt
3 years ago
15

Simplify 18 - 2[x + (x - 5)].

Mathematics
1 answer:
MissTica3 years ago
7 0
18 - 2[x + (x-5)]
First I would get rid of the inside parenthesis by distributing the + to everything inside and end up with;

18 - 2[x + x - 5]
Then I'd combine like terms inside the brackets
18 - 2[2x - 5]
Then I'd multiply what is inside the brackets by the -2
18 - 4x + 10
I'd combine like terms and end up with:

28 - 4x......or rewritten as -4x + 28
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H/j=15 solve for j <br> Please answer
Katyanochek1 [597]
Hey!

Let's write the problem,
\frac{H}{j}=15
Multiply both sides by j in order to undo the fraction.
\frac{H}{j}j=15j
H=15j
Let's switch sides so that we end up with j on the left side.
15j=H
Divide both sides by 15.
\frac{15j}{15}=\frac{H}{15}

Our final answer would be,
j=\frac{H}{15}

Thanks!
-TetraFish
5 0
3 years ago
-40+8p-3z identify the coefficents and like terms
Oxana [17]

Answer:

there are no like terms in this so thats your answer

Step-by-step explanation:

7 0
3 years ago
Which would be an equivalent way to write y=2−3x?
Ipatiy [6.2K]
Some are
y-2=-3x
y+3x=2
3x=2-y
6 0
4 years ago
Read 2 more answers
In the equation 6x – 2 = –4x + 2, Spencer claims that the first step is to add 4x to both sides. Jeremiah claims that the first
Sergeeva-Olga [200]
If you would like to know who is correct, you can find this using the following step:

<span>6x - 2 = -4x + 2

Spencer: 
</span>6x - 2 = -4x + 2       /+4x
6x - 2 + 4x = -4x + 2 + 4x
10x - 2 = 2

Jeremiah:
6x - 2 = -4x + 2      /-6x
6x - 2 - 6x = -4x + 2 - 6x
-2 = -10x + 2

They both are correct. But in Jeremiah's version of solving the equation, we would have to multiply equation by -1 (or add 10x to both sides), which we don't have to do in the Spencer's version.
8 0
4 years ago
Read 2 more answers
Need help asap and i will report any unnecessary comments
Inessa [10]

Firstly, divide 30 by 1425

Then, 1425/30 = 47.5

A Mixed number = A whole number + fraction

Your final answer = 47 1/2 trains

Hope this helps <3 Good luck with future exams!

P.S Fun Fact~~ The Mona Lisa has no eyebrows!

5 0
3 years ago
Read 2 more answers
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