Solve each of the following systems of equations by the method of cross-multiplication:
Method of cross multiplication
a1x + b1y + c1 = 0
a2x + b2y + c2 = 0
⇒ x + y = 19 and x – y = 8
Solving the above two equation
⇒ x = 11 and y = 8
22
Solve each of the following systems of equations by the method of cross-multiplication:
Method of cross multiplication
a1x + b1y + c1 = 0
a2x + b2y + c2 = 0
⇒ x + y = 19 and x – y = 8
Solving the above two equation
⇒ x = 11 and y = 8