rozwiąż równania i sprawdź: 1) -24+x+13
2)46+x=-18
3)x-2=8
4)12-x+-25
5)6*x=54
6)x*15+-105
7)x:(-2)=4
8)-21:x=-7
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1)
-24 +x = 13
x = 13 +24
x = 37
spr.
L = -24 + 37 = 13
P = 13
L = P
2).
46 +x = -18
x = -18 -46
x = - 64
spr.
L = 46 - 64 = -18
P = -18
L = P
3).
x -2 = 8
x= 8 +2
x = 10
spr.
L = 10 -2 = 8
P = 8
L = P
4)
12 -x = -25
-x = -25 -12
-x = -37/*(-1)
x = 37
spr.
L = 12 - 37 = -25
P = -25
L = P
5).
6 *x = 54
6x = 54 /:6
x = 9
spr.
L = 6 * 9 = 54
P = 54
L =P
6).
x *15 = -105
15x = -105 /:15
x = - 7
spr.
L = -7 * 15 = -105
P = -105
L =P
7).
x (-2) = 4
-2x = 4 /:(-2)
x = -2
spr.
L = (-2) * (-2) = 4
P = 4
L = P
8).
-21 :x = -7
x = -21: (-7)
x = 3
spr.
L = -21 : 3 = -7
P = -7
L = P