[tex]y=2x+2k\\y=5x+\frac{1}{2} k-9\\[/tex]
[tex]\left \{ {{0=2x+2k} \atop {0=5x+\frac{1}{2} k-9}} \right. \\\left \{ {{0=2x+2k} \atop {9=5x+\frac{1}{2} k}/*(-4)} \right. \\\left \{ {{0=2x+2k} \atop {-36=-20x-2k}} \right. \\-36=-18x\\x=2\\0=5*2+\frac{1}{2} k-9\\0=10+\frac{1}{2} k-9\\0=1+\frac{1}{2}k\\ k=-2[/tex]
" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
[tex]y=2x+2k\\y=5x+\frac{1}{2} k-9\\[/tex]
[tex]\left \{ {{0=2x+2k} \atop {0=5x+\frac{1}{2} k-9}} \right. \\\left \{ {{0=2x+2k} \atop {9=5x+\frac{1}{2} k}/*(-4)} \right. \\\left \{ {{0=2x+2k} \atop {-36=-20x-2k}} \right. \\-36=-18x\\x=2\\0=5*2+\frac{1}{2} k-9\\0=10+\frac{1}{2} k-9\\0=1+\frac{1}{2}k\\ k=-2[/tex]