1.

:-Solve the equations by cross- multiplication method.2x + 5y17, 5x + 3y14

Answer»

2x+5y=17. .. ...(1) multiplied by 3

5x+3y=14. .....(2) multiplied. by 5

then

6x+15y=51 .......(1)25x+15y=70 .....(2)

(1)-(2)

we will getx=1 and y=3



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