Odpowiedź:
a) 2x =6|÷2. x =3
b) 4x= 24|÷4. x=6
d) x=1
2x - 3 = 3 //+ 3
2x = 6 //: 2
x = 3
5 + 4x = 29 //- 5
4x = 24 //: 4
x = 6
- 6x + 8 = 4 //+ 7x
x + 8 = 4 + 7x // przerzucamy
4 = 6x //: 6
( 4/6 = 2/3 )
⅔ = x
5x - 4x + 1 = 2
x + 1 = 2 //- 1
x = 1
