Solving One Step Equations (Multiplication & Division) |Math Defined with Mrs. C | 7.EE.B.4

This video tutorial covers solving one-step algebraic equations using multiplication and division. It includes examples with positive and negative numbers, as well as decimals. The tutorial emphasizes the use of inverse operations to isolate variables and solve equations. Each step is explained clearly, with checks to ensure solutions are correct. The video also addresses common mistakes, especially with decimal numbers, and provides strategies to avoid them.

What is the first step to solve the equation N/2 = -7?

• Divide both sides by 7

• Subtract 7 from both sides

• Multiply both sides by 2

• Add 2 to both sides

If D is divided by -4 and equals -10, what operation will help isolate D?

• Add 4 to both sides

• Multiply both sides by -4

• Subtract 10 from both sides

• Divide both sides by 10

How do you solve the equation 5 = X/1.6?

• Multiply both sides by 1.6

• Divide both sides by 1.6

• Add 1.6 to both sides

• Subtract 1.6 from both sides

What is the inverse operation used to solve 3X = 15?

• Division

• Multiplication

• Subtraction

• Addition

In the equation -0.5H = 1.5, what operation will isolate H?

• Subtract 0.5 from both sides

• Multiply both sides by 0.5

• Add 0.5 to both sides

• Divide both sides by -0.5