How to use elimination method in the equations - 30u + 44v =10 and 40u +55v = 13. Solve it

Asked by prashant.jain | 10th Feb, 2010, 07:29: PM

Expert Answer:

Dear Student

- 30u + 44v -10=0 -----------(1)

and 40u +55v - 13=0---------(2)

(1)X40 + (2)X30 

==>    1760 v-400+1650v-390=0

3410V=790==>     v= 0.232

put v in (1)===>   u= 10+30X0.232=16.96

Regards

Team

Topperlearning

Answered by  | 12th Feb, 2010, 01:46: PM

Queries asked on Sunday & after 7pm from Monday to Saturday will be answered after 12pm the next working day.