Solving a two step equation including subtraction and multiplication

Solving a two step equation including subtraction and multiplication

Assessment

Interactive Video

Mathematics

11th Grade - University

Hard

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The video tutorial explains how to solve an equation for variable B. It starts by identifying the operations affecting B, which include division by -4 and addition of 8. The tutorial then demonstrates how to simplify the equation by first addressing the addition, followed by the division. The process involves subtracting 8 from both sides and then multiplying by -4 to isolate B, resulting in B equaling 12.

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5 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What operations are initially affecting the variable B in the given problem?

Subtraction by 4 and multiplication by 8

Addition by 4 and division by 8

Division by -4 and addition by 8

Multiplication by 4 and subtraction by 8

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the first step to simplify the equation involving B?

Subtract 8 from both sides

Divide both sides by -4

Multiply both sides by 4

Add 8 to both sides

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

After subtracting 8 from both sides, what is the resulting value on the right side of the equation?

5

-12

-3

0

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What operation is used to undo the division of B by -4?

Multiplication by -4

Subtraction of 4

Division by 4

Addition of 4

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the final value of B after solving the equation?

0

12

-12

-3