Question

y=|x-5| y=|x+3|+|1-x| y=2-|1-x| y=|x+3|-|1-x|

Answer 1

у=х-5

у=х+3+1-х

у=х+3-1-х

 

х=у+5

у= (у +5) +3+1-(у+5)

у=у+5+3+1-у+5= у=14, х=19