Aflati x vreau rezolvari intregi. Aveti in poza

Răspuns:
I 3x-5I=7
3x-5=7=>3x=7+5=>x=12/3=>x=4
3x-5=-7=>3x=-7+5=>x=-2/3
2x-15=7=>2x=7+15=>x=22/2=>x=11
2x-15=-7=>2x=-7+15=>x=8/2=>x=4
5x-5=10=>5x=10+5=>x=15/5=>x=3
5x-5=-10=>x=-1
3x+8=-3=>3x=-3-8=>x=-11/3
3x+8=3=>3x=3-8=>x=-5/3
-7x+10=-10=>-7x=-10-10=>x=20/7
-7x+10=10=>-7x=10-10=>x=0
-x-5=7=>-x=7+10=>x=-12
-x-5=-7=>-x=-7+5=>x=2
x+5=7=>x=7-5=>x=2
x+5=-7=>x=-7-5=>x=-12
-5x-5=0=>-5x=0+5=>x=-1
5x+5=0=>5x=-5=>x=-1
-7x+14=21=>-7x=21-14=>x=-1
-7x+14=-21=>-7x=-21-14=>-7x=-35=>x=5