1/7x=-2
-1/6u=1/3
-7b=7/8
-3/4z=3/4
-2w=-1/2
Proszę o rozwiązanie i odrazu wytłumaczenie bo będzie kartkówka -,-
1) 1/7 x = -2 /·7
x = -2·7 = -14
2) - ⅙ u =⅓ /· (-6)
u = - ⅓ · 6 = -2
3) -7b = ⅞ / :(-7)
b = ⅞ · (- 1/7 )= - ⅛
4) -¾ z = ¾ /: (-¾)
z = -1
5) - 2w = - ½ /: (-2)
w = -½ · (-½)
w = ¼
Powodzenia na kartkówce!
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1) 1/7 x = -2 /·7
x = -2·7 = -14
2) - ⅙ u =⅓ /· (-6)
u = - ⅓ · 6 = -2
3) -7b = ⅞ / :(-7)
b = ⅞ · (- 1/7 )= - ⅛
4) -¾ z = ¾ /: (-¾)
z = -1
5) - 2w = - ½ /: (-2)
w = -½ · (-½)
w = ¼
Powodzenia na kartkówce!