Rozwiąz Rownania kl6
a) 2z=z-6
b.10x+5=5x+20
c.6x-4=4x
d.23x-3=24x-4
e.8x-19=-8+19
f.3(2x-1)=12
Tylko nie od lewej do prawej tylko np:x+2=14
14-2=12
x=12
daje naj
tylko dobrze plis
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a) 2z=z-6
2z-z = = -6
z = -6
b.10x+5=5x+20
10x- 5x= 20-5
5x=15 :5
x=3
c.6x-4=4x
6x-4x=4
2x=4 /:2
x=2
d.23x-3=24x-4
23x-24x= -4 +3
-x= -1 / :(-1)
x=1
e.8x-19=-8+19
8x= -8+19 +19
8x= 30 / :8
x= 3,75
f.3(2x-1)=12
6x-3=12
6x= 12+3
6x= 15/ :6
x=2,5
a)2z = z-6 / - z
z= -6
b)10x +5 = 5x + 20 /-5
10x = 5x + 15 / -5x
5x = 15 / : 5
x = 3
c) 6x - 4 = 4x/ +4
6x = 4x + 4 /-4x
2x=4 /:2
x=2
d)23x - 3 = 24x - 4/+3
23x=24x-1 / -24x
-x=-1 / *(-1)
x=1
e)8x -19 = -8 + 19/+19
8x = 30 /:8
x=3,75
f)3(2x-1)=12
6x-3=12/+3
6x=15/:6
x=2,5