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natita [175]
3 years ago
5

Solve using the elimination method. show your work 2x - y = 6 x + y = 6

Mathematics
1 answer:
bekas [8.4K]3 years ago
7 0

Answer:

x=4, y=2

Step-by-step explanation:

2x - y = 6  

x + y = 6

Add these together to eliminate y

2x - y = 6  

x + y = 6

-----------------

3x = 12

Divide by 3

3x/3 = 12/3

x=4

But we still need y

x+y =6

4+y =6

Subtract 4 from each side

4+y-4 = 6-4

y=2

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Answer:

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Step-by-step explanation:

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7 0
3 years ago
What is the area of the following circle with radius of 7
seropon [69]

Answer:

153.94

Step-by-step explanation:

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5 0
3 years ago
What is "the sum of twice a number and six is the same as three subtracted from the number itself"?
inysia [295]

Answer:

x=-1

Step-by-step explanation:

2x+6=3-x

Step 1: Simplify both sides of the equation.

2x+6=3−x

2x+6=3+(−x)

2x+6=−x+3

Step 2: Add x to both sides.

2x+6+x=−x+3+x

3x+6=3

Step 3: Subtract 6 from both sides.

3x+6−6=3−6

3x=−3

Step 4: Divide both sides by 3.

3x/3=−3/3

x=−1

Answer:

x=−1

4 0
3 years ago
3/4x-4/5=1/2x+1 what is x?
Afina-wow [57]
<span>3/4x - 4/5 = 1/2x + 1

</span>3/4x - 4/5 = 2/4x + 1

3/4x - 2/4x = 1 + 4/5

1/4x = 9/5

x =      (9x4) / (5x1)

x = 36/5

x = 7 1/5
8 0
3 years ago
Read 2 more answers
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Serjik [45]

Answer:

x > 2

Step-by-step explanation:

5 0
3 years ago
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