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katrin2010 [14]

3 years ago

10

Solve 2x+y=3 x+y=5 in substitution method

1 answer:

Nastasia [14]3 years ago

4 0

2x+y=3
- x+y=5
---------------
x=-2

2(-2)+y=3
y=7

-2+y=5
y=7

(-2,7)

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