Q. 4 K

# Let us solve the

Answer :

Rewriting the above equation as.

9y - x = 7 (i)

5y - x = - 5 (ii)

In this problem, we will eliminate ‘x’ from both the equations by subtracting the equation. y = 3, putting the value of y in equation(i), we have x = 20

Hence the solution of the linear equation is y = 3 and x = 20

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