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bazaltina [42]
2 years ago
10

-3х + бу = -27 3х – бу = 27

Mathematics
1 answer:
Gwar [14]2 years ago
3 0

Step-by-step explanation:

-3x + 6y = -27 |-1×|

3x - 6y = 27 |1×|

3x - 6y = 27

3x - 6y = 27

Two equations are similar.

X,Y element R

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2 years ago
Write an expression with two terms. One term should have a coefficient with a variable and the other term should be a constant.
soldier1979 [14.2K]

Answer:

See Explanation

Step-by-step explanation:

Let us briefly explain the terms

  • Variable: This is the letter in the expression
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3 0
3 years ago
K/13 = 0.6/0.5 what does that equal
photoshop1234 [79]
\frac{k}{13} = \frac{0.6}{0.5} equals k = 15.6

First,
simplify \frac{0.6}{0.5} to 1.2. Your problem should look like: \frac{k}{13} = 1.2
Second, multiply both sides by 13. Your problem should look like: k = 15.6, which is the answer.
5 0
3 years ago
Plz help me 2x+y=4 4x+2y=8
aleksklad [387]

Answer: Y= 2 X=1

Step-by-step explanation:

2x+y=4                  4x+2y=8

2x     =/2                     2y= /2

y=2                          4x=4

                               /4= /4

                               X= 1

6 0
3 years ago
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