1.

Find the solutions of pair of linear equations4x+5y + 13 and 2x -2y 2

Answer»

4x+5y+13=02x-2y-2=0... multiply with 2

4x+5y+13=04x-4y-4=0

Subtract

9y+17=0y=-17/9

2x-2y=2x-y=1x=1/y=1-17/9=9-17/9=-8/9



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