Solve the following pair of equations by substitution method : `7x 15 y=2` . . . (1)`x+2y=3` . . . (2)

Explanation

given that`x+2y=3`

`x=3-2y`

so, putting it in another equation

`7(3-2y)-15y=2`

`21-14y-15y=2`

`21-2=29y`

y=19/29``

`x= 3-2y`

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