Rozwiąż równania:
a) 6x+9=x-1
b)4x-4=3x+3
c)-x+1=2
d)3x+2=x-2x
e)3x+5=2x
f)5/7x=1
a)
6x+9=x-1
6x-x = -1-9
5x = -10 /:5
x = -2
b)
4x-4=3x+3
4x-3x = 3+4
x = 7
c)
-x+1=2
-x = 2-1
-x = 1 /:(-1
x = -1
d)
3x+2=x-2x
3x-x+2x = -2
4x = -2 /:4
x = - 2/4 = - 1/2
e)
3x+5=2x
3x-2x = -5
x = -5
f)
5/7x=1 /*7/5
x = 7/5
x = 1 2/5
proszę liczę na naj
a) 6x-x=-1-9
5x=-10
x=-2
b) 4x-3x=3+4
x=7
c) -x=1
x=-1
d) 4x=-2
x=-1/2
e) x=-5
f) x= 1 2/5
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a)
6x+9=x-1
6x-x = -1-9
5x = -10 /:5
x = -2
b)
4x-4=3x+3
4x-3x = 3+4
x = 7
c)
-x+1=2
-x = 2-1
-x = 1 /:(-1
x = -1
d)
3x+2=x-2x
3x-x+2x = -2
4x = -2 /:4
x = - 2/4 = - 1/2
e)
3x+5=2x
3x-2x = -5
x = -5
f)
5/7x=1 /*7/5
x = 7/5
x = 1 2/5
proszę liczę na naj
a) 6x-x=-1-9
5x=-10
x=-2
b) 4x-3x=3+4
x=7
c) -x=1
x=-1
d) 4x=-2
x=-1/2
e) x=-5
f) x= 1 2/5