Math, asked by sreeakshan, 4 days ago

7x -8y -11 =0 , 8x-7y-7=0 by cross multiplication method

Answers

Answered by chigumallabalaji576

0

Step-by-step explanation:

7x-8y-11=0 x8

8x-7y-7=0 x7

56x-64y-88=0

56x-49y-49=0

-___+__+___

-15y-39=0

-15y=39

y=39/-15

y=-13/5

substituting y=-13/5

7x-8(-13/5)-11=0

x+104/5-11=0

x=11-104/5

x=55-104/5

x=-49/5

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