У=-1х+5
у=-2х-3
y=1.5x -3" alt="y= \frac{3x-6}{2} = \frac{3(x-2)}{2}=> y=1.5x -3" align="absmiddle" class="latex-formula">
y= \frac{10(20-x)}{100}=0.1(20-x) =2- \frac{1}{10}x=>" alt="100y=200-10x=> y= \frac{10(20-x)}{100}=0.1(20-x) =2- \frac{1}{10}x=>" align="absmiddle" class="latex-formula">
=> y=-0.1x+2
ставь спасибо и лучшим