1.

Solve the following sets of simultaneous equations.(i) x + y = 4 ; 2x - 5y = 1(ii) 2x + y = 5; 3x - y = 5 (iii) 3x- 5y =16; x - 3y = 8 (iv) 2y-x =0; 10x + 15y = 105(v) 2x + 3y + 4 = 0; x- 5y = 11 (vi) 2x -7y = 7; 3x + y = 22

Answer»
Solve the following sets of simultaneous equations.




(i) x + y = 4 ; 2x - 5y = 1



(ii) 2x + y = 5; 3x - y = 5




(iii) 3x- 5y =16; x - 3y = 8




(iv) 2y-x =0; 10x + 15y = 105



(v) 2x + 3y + 4 = 0; x- 5y = 11



(vi) 2x -7y = 7; 3x + y = 22



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