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Cálculos de equações de equações de 1º grau

Authored by Ricardo Galbi

Mathematics

8th Grade

Used 109+ times

Cálculos de equações de equações de 1º grau
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20 questions

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1.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Calcule: x + 3 = 2x - 8

x = 11

x = -11


x = 113x\ =\ \frac{11}{3}

x =311x\ =\frac{3}{11}

2.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Calcule: 2x - 10 = 6x + 2

x = 3

x = -3

x = 14x\ =\ \frac{1}{4}

x = 4

3.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Calcule: 6 ( x + 2) = 2 ( x + 3)

x = 3

x = 4

x = 1,5

x = - 1,5

4.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Calcule: 2 ( x - 4) = 2 ( x - 8) + 4x

x = - 2

x = 4

x =14\ x\ =\frac{1}{4}

x = 2

5.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

 Calcule:   x2 + x4 = 12Calcule:\ \ \ \frac{x}{2}\ +\ \frac{x}{4}\ =\ 12  

x = 12

x = 14

x = 16

x = 18

6.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

 Calcule: 14 + x4 = 1Calcule:\ \frac{1}{4}\ +\ \frac{x}{4}\ =\ 1  

x = 2

x = 3

x = 4

x = 6

7.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

 Calcule:  12 + 1x + 14 = 1312Calcule:\ \ \frac{1}{2}\ +\ \frac{1}{x}\ +\ \frac{1}{4}\ =\ \frac{13}{12}  

x = 6

x = 5

x = 4

x = 3

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