Question

solve 2x+3y=12 and 7x+5y =31​

Answer 1

Answer:

firstly, we find the value of x in terms of y

so,

x=12-3y/2.....eq--3

after thet put the value of x in equation 1

84-62=21y-10y

hence y=2

by putting the value of y in equation 3.....we get,

3

Answer 2

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1. We find the value of x in terms of y

so,

x=12-3y/2...eq--3

After thet put the value of x in equation 1

84-62=21y-10y

Hence y=2

Hy putting the value of y in equation 3..we get,

3