Cost of 7 pens and 8 pencils is Rs 87 an...

Cost of 7 pens and 8 pencils is Rs 87 and cost of 6 pens and 4 pencils is Rs 66. write linear equations representing the above data. Also, find the cost of 1 pen and 1 pencil.

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MODERN PUBLICATION-LINEAR EQUATIONS IN TWO VARIABLES-EXERCISE

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