Method of cross multiplication

Find the point of intersection of two lines by substitution and cross multiplication method

Discussion OF ex-3.4,|| Cross-multiplication method || Short method to remembering cross-multiplication method by Determinant || Example-14,15

By cross multiplication method,solve the pair of equation: ax+by+a=0, bx+ay+b=0

Cross-multiplication method for solving equations of the form (ax+b)/(cx+d)=(m)/(n)