" (8) `49x-57y=172;57x-49y=252`

Solve the following simultaneous equations. 49x-57y=172,57x-49y=252 .

Solve the following simultaneous equations. 49x - 57y = 172 , 57 - 49y = 252

Solve the following simultaneous equations : 49x - 57 y = 172 , 57 x - 49 y = 252

Solve the simultaneous equations: 49x + 51y = 499, 51x+ 49y = 501

Solve for x and y: 7x - 4y = 49 5x - y = 22

Solve for x and y : 7x - 4y = 49, 5x - 6y=57

Factorise : 49 (x-y)^2 - 9 (2x +y)^2

Using elimination method, solve for x and y the following pair of equations : 7x-4y=49," "5x-6y=57

Solve the following pairs of linear equations by cross-multiplication method: 7x-4y=49, 5x-6y=57

Find whether the following pair of linear equations has a unique solution. If yes, find the solution : 7x-4y=49, 5x-6y=57