
Equações 7º ano com parêntesis
Authored by Carla Cunha
Mathematics
7th Grade
Used 4+ times

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13 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 10 pts
Qual das seguintes expressões representa uma equação?
x + 3 > 6
4 + 3 ≠ 5
3x = 1
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Indique a equação que satisfaz as seguintes condições.
1º membro : 5x – 8
Termos do 2º membro: 4 -x
4 – x = 5x -8
5x + 8 = 4 – x
5x – 8 = 4 – x
5x – 8 = 4 + x
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
A solução da equação é: 2x + 14 = 0
-4
5
-7
3
4.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Dada a Equação x + 4 = -9 , qual o valor de X?
X = - 5
X = 5
X = 13
X = - 13
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
A solução da equação é:
3x – 9 = 0
5
7
-3
3
6.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Qual é a solução da equação 2x + 3 = 10 + x
4
6
2
7
7.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Resolva a equação 5x−12=3 e marque a alternativa correta:
x=3
x=2
x=5
x=4
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