Question

Solve by equating coffficient method
3х + 2y =13 ; x - y =1​

Answer 1

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x=1+y

3(1+y)+2y=13

3+3y+2y=13

3+5y=13

5y=13-3

5y=10

$y = \frac{10}{5}$

y=2

Let's put y in any equⁿ

x=1+y

x=1+2

x=3

Therefore (x, y) is (3,2)

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