Question

Помогите решить уравнения.
1) 2-x=7
2) 15-(3x-1)=2-x
3) 0,2-x=0,3+2x
4) 12(1-2x)=-3(1-3x)
5) x/2=1/4
6) x/2-1/3=2-x
Буду благодарна за помощь,всем удачи:з

Answer 1

1)[email protected]=7
[email protected]=5
@=-5
2)15-([email protected])[email protected]
[email protected][email protected]
[email protected]=-14
@=7
3)0,[email protected]=0,[email protected]
[email protected]=0,1
@=-1/30
4)12([email protected])=-3([email protected])
[email protected][email protected]
[email protected]=-15
@=15/33
@=5/11
5)х/2=1/4. Х=(2•1)/4 х=1/2
6)х/2-1/3=2-х |•6
3х-2=12-6х
9х=14
Х=14/9