Solving Two-Step Equations Challenge

The video tutorial covers solving two-step equations, explaining the concept and operations involved. It provides detailed examples, demonstrating how to isolate variables by reversing operations. The tutorial includes practice problems to reinforce understanding, focusing on addition, subtraction, multiplication, and division in equations.

What is a two-step equation?

• An equation that requires two different operations to solve.

• An equation that requires only multiplication to solve.

• An equation that requires only addition to solve.

• An equation that requires only subtraction to solve.

In the equation 2x + 3 = 9, what is the first step to isolate the variable x?

• Divide both sides by 2.

• Add 3 to both sides.

• Multiply both sides by 2.

• Subtract 3 from both sides.

After subtracting 3 from both sides in the equation 2x + 3 = 9, what is the next step?

• Add 2 to both sides.

• Subtract 2 from both sides.

• Divide both sides by 2.

• Multiply both sides by 2.

In the equation 3x + 2 = 23, what is the first step to isolate the variable x?

• Divide both sides by 3.

• Multiply both sides by 3.

• Subtract 2 from both sides.

• Add 2 to both sides.

After subtracting 2 from both sides in the equation 3x + 2 = 23, what is the next step?

• Add 3 to both sides.

• Subtract 3 from both sides.

• Multiply both sides by 3.

• Divide both sides by 3.

In the equation -2y - 7 = 3, what is the first step to isolate the variable y?

• Subtract 7 from both sides.

• Multiply both sides by -2.

• Divide both sides by -2.

• Add 7 to both sides.

After adding 7 to both sides in the equation -2y - 7 = 3, what is the next step?

• Subtract 2 from both sides.

• Multiply both sides by -2.

• Add 2 to both sides.

• Divide both sides by -2.

In the equation 4 + 1/5r = -1, what is the first step to isolate the variable r?

• Add 4 to both sides.

• Subtract 4 from both sides.

• Divide both sides by 5.

• Multiply both sides by 5.

After subtracting 4 from both sides in the equation 4 + 1/5r = -1, what is the next step?

• Divide both sides by 1/5.

• Multiply both sides by 5.

• Divide both sides by 5.

• Multiply both sides by 1/5.

What is the reciprocal of 1/5?

• 1/25

• 5

• 25

• 1/5