Question

To solve x+y=3; 3x-2y-4=0by determinant method find D.​

Answer 1

Step-by-step explanation:

x+y=3 is a first equation

3x-2y-4=0 is a second equation, it modified to

3x-2y=4

multiple 3 with first equation, we get

3x+3y=9

now subtract these equations

we get

5y=13

y=13/5

substitute 13/5 in first equation, we get,

x=2/5

hope it will help you

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