Răspuns :
Răspuns:
x-y=108
1/3x=y
x-x/3=108|×3
3x-x=324
2x=324
x=324÷2=162
x/3=y
y=162/3=54
Răspuns:
a-b=108
a/3=b/7=>a=3b/7
3b/7-⁷⁾b=⁷⁾108
3b-7b=756
b=-756:4
b= -189
a=-3×189:7=>a= -81
Răspuns:
x-y=108
1/3x=y
x-x/3=108|×3
3x-x=324
2x=324
x=324÷2=162
x/3=y
y=162/3=54
Răspuns:
a-b=108
a/3=b/7=>a=3b/7
3b/7-⁷⁾b=⁷⁾108
3b-7b=756
b=-756:4
b= -189
a=-3×189:7=>a= -81