6 Math Problems Create a Matrix

I need a Matrx created for 6 Problems.  I need in 1 hoyr from now.

1) 2x+y=5

4x+2y=8

2) 2x+y=4

-6x-3y=-12

3) x1-x2+3×3-2×4=1

-2×1+4×2-3×3+x4=.5

3×1-x2+10×3-4×4=2.9

4×1-3×2+8×3-2×4=.6

4) 2x+3y=23

3x-y=7

5) x+2y=15

x-3y=-15

6) 6x-8y=3

-5x+3y=-21/4

Those are the problems I need Matrixes for.  ASAP