Question

Section 1.3 The Intersection Point of a Pair of Lines

Solve the systems of linear equations

1. ! ) 4( ? ? + + 2? ) ( ? = = 3
2. !? ? − + - ( 2? ? = = 4 6

Answer 1

1. Given system of equation ,

......(i)

......(ii)

Substituting in equatio (i) we get ,  

Or ,

Or ,

Hence the required intersection point is .

2. Given system of equation ,

   ......(iii)

........(iv)

Substituting   in (iii) we get ,

  

or ,

Or ,

Hence the required intersection point is .

N.B : I wish I have written the equations correctly , if it is not let me know in comment box .  .