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Mastering Linear Equations

Authored by Carla Pepino

Mathematics

7th Grade

Mastering Linear Equations
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7 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Qual a solução da seguinte equação: 3x + 5 = 20.

0

10

5

15

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Identify the coefficient in the equation: 7x - 4 = 10.

10

7

-7

4

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Qual a equação que traduz o seguinte problema: a diferença entre um número e 8 é 12.

12 - x = 8

x - 8 = 12

x + 8 = 12

x - 12 = 8

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Qual é o valor da expressão 2(3x + 4) quando x = 2.

24

10

16

20

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Check if x = 3 is a solution for the equation: 5x - 7 = 8.

x = 3 is an extraneous solution.

x = 3 makes the equation false.

Yes, x = 3 is a solution.

No, x = 3 is not a solution.

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Qual é o termo com incógnita na equação: 4x + 9 = 25?

16

9

25

4x

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A solução da seguinte equação 2(x - 3) = 10 é:

3

5

8

10

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