-2/3 + (х - 1/4) = 0; 2) - 2/3 + (1/4 - х) = 0
-2/3 + (х - 1/4) = 0;
x - 1/4 = 2/3
x = 2/3 + 1/4
x = 8/12 + 3/12
x = 11/12
2)
- 2/3 + (1/4 - х) = 0
1/4 - x = 2/3
x = 1/4 - 2/3
x = 3/12 - 8/12
x = -5/12
1. -2/3+(x-1/4)=0 -2/3+x-1/4=0 -2/3-1/4+x=0 -8/12-3/12+x=0 -11/12+x=0 x=0+11/12 x=11/12 2. -2/3+(1/4-x)=0 -2/3+1/4-x=0 -8/11+3/12-x=0 -5/12+x=0 x=0+5/12 x=5/12