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lina2011 [118]
3 years ago
5

Help me out please!!!!!! I’d appreciate it so much (:

Mathematics
2 answers:
Flura [38]3 years ago
7 0

Answer:

(\frac{11}{7},-\frac{1}{7})

Step-by-step explanation:

2x + y = 3 ==> 3(2x + y = 3) ==> 6x + 3y = 9

x - 3y = 2

6x + 3y = 9

 x  - 3y = 2

7x = 11

/7   /7

x = \frac{11}{7}

2x + y = 3

2(\frac{11}{7}) + y = 3

\frac{22}{7} + y = 3

-\frac{22}{7}     -\frac{22}{7}

y = -\frac{1}{7}

Final answer (  \frac{11}{7}, -\frac{1}{7})

Hope that helps!

lyudmila [28]3 years ago
6 0

Answer:

x = 11/7 y = -1/7

Step-by-step explanation:

2x + y = 3

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

y = 3 - 2x

x - 3(3 - 2x) = 2

x - 9 + 6x = 2

x - 9 + 6x + 9 = 2 + 9

x + 6x = 11

7x = 11

7x / 7 = 11/7

x = 11/7

2(11/7) + y = 3

22/7 + y = 3

22/7 + y - 22/7 = 3 - 22/7

y = -1/7

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