a) x= -3
b) 8x=5 / 8
x= 5/8
c) 3x-3=0
3x=3 /:3
x=1
d) -6x-6=24
-6x= 30 / -6
x= -5
e) -82x= -1 / 82
x- 1/82
f) 4x-4=6x+6
-2x= 10 / 2
x-5
a )
4x - 3 = 3x / -4x
- 3 = - x
- x = - 3 / * (- 1)
x = 3
b )
5 x + 2 = 7 - 3 x / + 3 x
8 x + 2 = 7 / - 2
8 x = 5 / : 8
x = ⅝
c )
3 ( x - 1 ) = 0
3 x - 3 = 0 / + 3
3 x = 3 / : 3
x = 1
d )
- 6 ( x + 1 ) = 24
- 6 x - 6 = 24 / + 6
- 6 x = 30 / : ( -6 )
- x = - 5 / * ( - 1 )
x = 5
e )
- 79 x - 2 = 3 x - 1 / + 79 x
- 2 = 82 x - 1 / + 1
82 x = - 1 / : 82
x = - 1/82
f )
4 ( x - 1 ) = 6 ( 1 + x )
4 x - 4 = 6 + 6 x / - 6 x
- 2 x - 4 = 6 / + 4
- 2 x = 10 / : ( - 2 )
- x = - 5
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a) x= -3
b) 8x=5 / 8
x= 5/8
c) 3x-3=0
3x=3 /:3
x=1
d) -6x-6=24
-6x= 30 / -6
x= -5
e) -82x= -1 / 82
x- 1/82
f) 4x-4=6x+6
-2x= 10 / 2
x-5
a )
4x - 3 = 3x / -4x
- 3 = - x
- x = - 3 / * (- 1)
x = 3
b )
5 x + 2 = 7 - 3 x / + 3 x
8 x + 2 = 7 / - 2
8 x = 5 / : 8
x = ⅝
c )
3 ( x - 1 ) = 0
3 x - 3 = 0 / + 3
3 x = 3 / : 3
x = 1
d )
- 6 ( x + 1 ) = 24
- 6 x - 6 = 24 / + 6
- 6 x = 30 / : ( -6 )
- x = - 5 / * ( - 1 )
x = 5
e )
- 79 x - 2 = 3 x - 1 / + 79 x
- 2 = 82 x - 1 / + 1
82 x = - 1 / : 82
x = - 1/82
f )
4 ( x - 1 ) = 6 ( 1 + x )
4 x - 4 = 6 + 6 x / - 6 x
- 2 x - 4 = 6 / + 4
- 2 x = 10 / : ( - 2 )
- x = - 5
x = 5