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2010-02-23T14:50:23+01:00
Zad.1]
e]
⅓x=3
x=3:⅓
x=3×3
x=9
f]
-⅗x=-5
x=5:⅗
x=8⅓
g]
¾x=-⁴/₉
x=-⁴/₉:¾
x=-¹⁶/₂₇
h]
0,1x=-7
x=-7:0,1
x=-70

zad.2a]
-3x=3x-10
-3x-3x=-10
-6x=-10
x=10:6
x=1⅔
b]
2x-2=7-x
2x+x=7+2
3x=9
x=9:3
x=3
c]
10=4-2x
2x=4-10
2x=-6
x=-6:2
x=-3
d]
2010-02-23T14:52:09+01:00

e) ⅓x=3
x = 3 * ³/¹
x= 9

f) -³/₅x=-5
x=5 : ⅗
x = 25/3
x=8 ⅓

g) ¾x=-⁴/₉
x = - ¹⁶/₂₇

h) 0,1x=-7
x = -7 : 0,1
x = -70


a) -3x=3x-10
-3x - 3x = -10
-9x = -10
x = 10/9 = 1¹/₉

b) 2x-2=7-x
2x + x = 7+2
3x = 9
x = 3

c) 10=4-2x
10-4 = -2x
6=-2x
x=-3