Ecuaciones de varios pasos

Ecuaciones de varios pasos

6th - 8th Grade

10 Qs

quiz-placeholder

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Ecuaciones de varios pasos

Ecuaciones de varios pasos

Assessment

Quiz

Mathematics

6th - 8th Grade

Medium

Created by

Yonarys Torres

Used 6+ times

FREE Resource

10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 5 pts

Resuelve: 9x + 3 - 3x = 51

x = 9

x = 8

x = 6

x = -9

Answer explanation

Given the question, 9x + 3 - 3x = 51, we first simplify it to 6x + 3 = 51. Then, we subtract 3 from both sides to get 6x = 48. Dividing each side by 6, we find that x = 8, which is the correct choice.

2.

MULTIPLE CHOICE QUESTION

1 min • 5 pts

w = 5

w = 15

w = 9

w = 13

Answer explanation

The question posed is 4w - w - 26 = 19. By simplifying, we get 3w - 26 = 19. This further simplifies to 3w = 45, and finally solving for w, we get w = 15. So, the correct answer is w = 15.

3.

MULTIPLE CHOICE QUESTION

1 min • 5 pts

y = 3

y = -4

y = 6

y = -3

Answer explanation

The question asked to solve the equation 2y + 9 - 6y - 3 = 18. Simplifying the equation, we get -4y + 6 = 18, which simplifies further to -4y = 12. Solving for y, we find that y = -3, which aligns with the correct answer choice.

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

c =- 7

c = 6

c= 8

ninguna de las anteriores

Answer explanation

The question is asking to solve the equation '7c - 7 = 4c + 17'. By isolating 'c', we add 7 to both sides, giving '7c = 4c + 24'. Then, subtract 4c from both sides to find '3c = 24'. Finally, dividing by 3, we get 'c = 8', which is the correct answer.

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

d = 9

d = 6

d = 8

ninguna de las anteriores

Answer explanation

The given question is a simple algebraic equation: 4d - 11 = 2d + 7. To solve for 'd', we can start by subtracting 2d from both sides, which gives us 2d - 11 = 7. Then, add 11 to both sides to isolate 'd', resulting in 2d = 18. Finally, divide both sides by 2 to find that 'd = 9', which is the correct answer.

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Resuelve: -8(w - 6) = 32

w = 10

w = -8

w = -2

w = 2

Answer explanation

The question asks to solve -8(w - 6) = 32. By distributing -8 into the equation, it becomes -8w + 48 = 32. Moving 48 to the other side gives -8w = -16. Dividing by -8, we find `w = 2`, which is the correct solution.

7.

MULTIPLE CHOICE QUESTION

2 mins • 5 pts

Resuelve: 8(4x - 5) - 7x = 5(5x - 8)

Identidad

nula

x = -2

ninguna

Answer explanation

The given question is a simple algebraic equation. Upon simplifying both sides of the equation, we find that they are equal. Hence, the solution to this equation is an identity. This means that all values of 'x' will satisfy this equation, explaining why 'Identidad' is the correct answer.

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