1. Linear equation in two variables Definition :
2. Solution of linear equations in two variables :
3. Solving Simultaneous linear Equations :
(i). Substitution Method :
(ii). Elimination Method :
(iii). Cross Multiplication Method :
4. Condition for solvability of linear Equations :
5. Homogeneous System of Equations :
6. A system of two linear Equations :
(a). If two lines intersect at a point :
(b). If two lines Coincident to eachother :
(c). If two lines parallel to eachother :
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