Question

find the point of the intersection of the line 2x-y+3=0 and 3x-y+1=0​

Answer 1

2x - y + 3= 0 ......(1)

3x - y + 1= 0 ........(2)

subtract 1 from 2

3x - y + 3 = 0

2x - y + 1 = 0

- + -

x - 0 + 2 = 0

=》x = -2

put value of x in (1)

2(-2) - y +1 = 0

-4 - y = -1

- y = - 1+ 4

y = - 4

at co-ordinate (-2, -4) both line will intersect.....

hence, question is solved

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