Jaké je řešení této rovnice: 3 . (x + 2) = 9x

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Quiz
•
Mathematics
•
9th Grade
•
Hard
Josef Sova
Used 9+ times
FREE Resource
6 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
x = 0
x = 1
x = -1
x = -2
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Jaké je řešení této rovnice: 10x - 2 = 6x
x = 1
x = 0
x = 0,5
x = - 1
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Jaké je řešení této rovnice: 2x + y = 20
x = 8, y = 4
x = 10, y = -10
x = - 5, y = 20
x = 7, y = 7
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Vyjádření neznámé x z rovnice: x - 3y = y + 10
x = 4y + 10
x = -2y + 10
x = y + 10
x = 14y
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Vyjádření neznámé x z rovnice: 2x - y = 5
x = (5 + y)/2
x = 5 - y
x = 10 + y
x = 5 + 1/2y
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Vyjádření neznámé y z rovnice: x + 4y = 20
y = 20 - x
y = 20 - 4y
y = 5 - x/4
y = 5 + x/4
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