Question

x/3+y/5=1 and 7x-5y=21 solve this by substitution method​

Answer 1

Step-by-step explanation:

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Answer 2

Answer:

Read explanation

Step-by-step explanation:

We have,

x/3+y/5=1=> X/3=y-5/y

x=3(y-5/y)

now my dear friend, put it in other equation

7(3(y-5/y))-5y=21

21(y-5/y)-5y=21

and now quadratic equation in y will come, find y and the by putting it in any eqn find x

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