Question

1) 2x + y = 5; 3x - y = 5
Solution 2x + y = 5
Adding equation 1&2
2
1
3x - y = 5
2x + y = 5
3x - y = 5
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= 10
x
..x = 2
Substituting x = 2 in equation
2x + y = 5 .. 2x + y = 5
.. 4 + y = 5
y = 5-O
.. y= 1​

Answer 1

Answer:

4+y=5

y=5-4

y=1

so x =2

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