GCSE Secondary Maths Age 13-17 - Algebra: Algebra and Inequalities - Explained

The video tutorial explains how to solve the equation 4(x-5)=18 by expanding the brackets and simplifying the equation to find the value of x. It also covers the concept of integers, demonstrating how to list all possible integer values for t in the range -3 < t ≤ 2. The tutorial emphasizes understanding mathematical processes and provides guidance on achieving full marks by following correct procedures.

What is the first step in solving the equation 4(x - 5) = 18?

• Add 5 to both sides

• Expand the bracket

• Divide both sides by 4

• Subtract 18 from both sides

After expanding the bracket in the equation 4(x - 5) = 18, what is the next step?

• Multiply both sides by 4

• Divide both sides by 2

• Subtract 20 from both sides

• Add 20 to both sides

Which of the following is NOT an integer?

• -3

• 0

• 10

• 2.5

What is the range of integer values for t if -3 < t ≤ 2?

• -2, -1, 0, 1

• -3, -2, -1, 0, 1

• -2, -1, 0, 1, 2

• -3, -2, -1, 0, 1, 2

How many marks are allocated for listing all correct integer values in the range -3 < t ≤ 2?

• Four marks

• Three marks

• Two marks

• One mark