In a class the number of girls is x and that of boys is y.Also the number of girls is 10 more than the number of boys .Write the given data in the form of a linear equation in two variables . Also represent it graphically .Find graphically the number of girls if the number of boys is 20
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x=10+y
x-y=10
If x= 0 10 20
Then y= - 10 0 10
x-y=10
If x= 0 10 20
Then y= - 10 0 10
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