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Write a linear equation in two variables to represent the the statement "Four times the cost of a table is equal to seven times the cost of a chair '

'.From the graph of a above linear equation,find the cost of one chair if the cost of one table is Rs.1050.


Let cost of chair= x And price of table = y Then 7x=4y >7x-4y+0=0 > cost of table = 1050 So cost of chair 7x -4 × 1050= 7x= 4200 x=600
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