Question

Решите систему неравенств: 3(х-1)=5(y+1) 7x-3y/5=5х-у/3 - х+у/2

Answer 1

3(x-1)=5(y+1)=3x-3=5y+5=-2x=8

x=-4

 

 

7x-3y/5=5x-y/3-x+y/2=7x-5x+x=-y/3+y/2+3y/5=3x=30

x=10