Решите уравнения: x+2/7=1, 1-x=4/7

Question

Решите уравнения: x+2/7=1, 1-x=4/7

Answer 1

X+2/7=1
x=1-2/7
x=7/7 - 2/7
x =5/7
1-x=4/7
x= 1-4/7
x=7/7 - 4/7
x=3/7