Question

solve these equations using any methods given in 10 cbse except CROSS MULTIPLICATION METHOD

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Answer 1

Answer:

30v+44u=10

40v+55u=13

multiply first dan by 4 and se condividi dan by3

Then subtract second eqn from first

you will get (4×44-3×55)u=1

Simplify, you will get u=1/11

put this value of u in any of the above eqn you will get v=1/5