Question

solve pair of liner equation 3x+2y=21 &5x-2y=13​

Answer 1

Answer:

(a) 3x+2y=21

3+2y=21/X

3+2=21/x×y

5=21xy

5/21=xy

(b) 5x-2y=13

5-2=13/xy

3=13/xy

3/13=xy

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