Question

linear equation formula​

Answer 1

Answer:

linear equation has three formula

1. substitution method

2.Elimination method

3. Cross multiply method

#graph method can also be used

# general form of equation is- ax+by+c=0

Answer 2

Answer:

S.no

Type of equation

Mathematical representation

Solutions

1

Linear equation

a1/ a2 =/= b1/ b2 ................ unique solution {Intersecting lines}

a1/a2= b1/b2= c1/c2.............. infinite solutions {Coincident lines}

a1/ a2= b1/b2=/= c1/c2 .......... no solutions {Parallel Lines}

2

cross multiplication:-

x/ b1c2-b2c1 = y/c1a2-c2a1 = 1/a1b2-a2b1