Question

2x+9y=42xy and 2x+3y=12xy​

Answer 1

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2xy+9y=42xy

10xy=42xy

x-y=42/10

=21/5 answer

now the second question

2xy+3x=12xy

5xy=12xy

x=12/5 answer

Answer 2

Answer:

2xy+9y=42xy

10xy=42xy

x-y=42/10

=21/5 answer

now the second question

2xy+3x=12xy

5xy=12xy

x=12/5 answer