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Nastasia [14]
3 years ago
10

-5x+3y=-9 3x+7y=23 Need help please HElP

Mathematics
2 answers:
Veseljchak [2.6K]3 years ago
7 0

Answer:

-88x + 10y

Step-by-step explanation:

-5x+3y= -93x+7y=23

we cannot do anything to numbers with unlike signs so we will do this

23=-5x+3y=-93x+7y

now we will take the numbers with like signs to one place like this

23=-5x+93x+3y+7y

now we can solve this

- x + = -

+ x+=+

-x-=-

23= 88x+10y ANSWER

PtichkaEL [24]3 years ago
4 0

Answer:

x = 3 and y = 2

Step-by-step explanation:

-5*3+3*2=-9 and 3*3+7*2+23

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2 years ago
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2 years ago
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Arada [10]
1.
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