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erik [133]
3 years ago
14

TexFormula1" title="What can be the first step in solving the equation? -9=6x+7-2x" alt="What can be the first step in solving the equation? -9=6x+7-2x" align="absmiddle" class="latex-formula">What can be the first step in solving the equation? -9=6x+7-2x
Mathematics
1 answer:
stira [4]3 years ago
7 0

Answer:

adding 6x+2x

then subtract 7- -9

then divide

Step-by-step explanation:

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A couch that regularly sells for $450<br> was discounted by 30% off.
vaieri [72.5K]

Answer:

The price after the discount would be $315.

8 0
3 years ago
ms evans went to the store to buy some cupcakes. she brought 129 cupcakes. she wants to put 5 cupcakes in each box.how many boxe
NeTakaya
129 divided by 5 is equal to 25 with a remainder of 4. 

This means that she will need a total of 26 boxes, but only 25 of them will have 5 cupcakes in them. The last one will have 4 cupcakes.
6 0
3 years ago
Read 2 more answers
Why is 1.387^-8 m equal to 138.7 pm ?
mixer [17]

1.356890032/÷^_-&78904708

8 0
3 years ago
33 points
Brrunno [24]

Answer:

x=-5, y=-2

Step-by-step explanation:

6x+ 28 =y

5x-y=-23

Substitute 6x+28 in for y in the second equation

5 x-(6x+28)=-23

Distribute the negative sign

5x -6x-28 = -23

-x -28 = -23

Add 28 to each side

-x-28+28 = -23+28

-x = 5

Multiply by -1

x = -5

Now we need to solve for y

y = 6x+28

Substitute x=-5

y = 6(-5) + 28

y = -30+28

y = -2

8 0
4 years ago
if jk has endpoints j(-2,3) and k(6,5), and ln has endpoints l(0,7) and n(4,1), then jk and ln have the same midpoint.
tankabanditka [31]
Ok well, not technically yes, but jk's midpoint is (1,5) and ln is (5,3). So they're not the same. In this case in my opinion, it's no.
3 0
3 years ago
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