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aalyn [17]
3 years ago
12

How do I solve 8×-2=-9+7×

Mathematics
2 answers:
muminat3 years ago
8 0

The answer is 9/23 you simply both sides of the equation, subtract 7x from both sides, divide both sides by -23

UkoKoshka [18]3 years ago
5 0

The idea is to get th numbers on one side of the equal sign and the x’s on the other side.

In order to bring anything across the equal sign you use the inverse operation.

Start by adding 2 to both sides giving you:

8x = -7 + 7x

Next subtract 7x from both sides:

x = -7

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Consider the system of equations.
anzhelika [568]

Answer: You can multiply the top equation by -1 to eliminate the x variable.

And the solution is (2,4/3)  in case you need it.

Step-by-step explanation:

2x + 3y = 8

2x + 6y = 12

If you multiply the upper equation or down equation by one, you will be able to eliminate the x variable.

-1( 2x + 3y) = -1(8)     New equation:   -2x -3y  = -8.

Add the new equation you got  by multiplying the top equation by -1 to the bottom equation.

Add them:     -2x -3y = -8

                      2x + 6y = 12  

                               3y = 4  

                              y = 4/3

You can now input the value for y into the one of the equations and solve for x.

-2x - 3(4/3) = -8

-2x -4 = -8  

     +4     +4

-2x = -4

x = 2

8 0
3 years ago
Can you please help me. Go to my acc for more help for me :)
Angelina_Jolie [31]
The answer is 164. 5x4=20 and so on
8 0
3 years ago
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Is 5 3/8 greater than 5 4/10
Lostsunrise [7]

Answer:

False

Step-by-step explanation:

5 3/8 > 5 4/10

4 0
3 years ago
How do u do this with answer plz
Whitepunk [10]

Answer:

i guess u know how to calculate a rectangle

Step-by-step explanation:

https://sciencing.com/area-triangular-prism-8165114.html

6 0
3 years ago
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On a city​ map, a rectangular park has a length of 2 in. If the actual length and width of the park are 400 ft and 100 ft​, ​res
pshichka [43]

Answer:

0.5 inches

Step-by-step explanation:

7 0
3 years ago
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