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

The video tutorial covers simplifying algebraic expressions and solving equations. In the first part, the instructor demonstrates how to simplify the expression 7 * e * F * 8 by performing multiplication and removing unnecessary symbols, resulting in 56 EF. The second part focuses on solving the equation X / 5 = 2 1/2 by multiplying to find the value of X, which is 12 1/2. The instructor explains different ways to express the final answer, emphasizing the importance of numerical correctness.

What is the result of simplifying the expression 7 * e * F * 8?

• 56EF

• EF56

• 56E + F

• 7EF8

In the equation X / 5 = 2 1/2, what operation is needed to find the value of X?

• Multiply by 5

• Subtract 2 1/2

• Divide by 2 1/2

• Add 5

What is the first step in solving the equation X / 5 = 2 1/2?

• Divide 2 1/2 by 5

• Subtract 5 from both sides

• Multiply 2 1/2 by 5

• Add 5 to both sides

What is the final answer for X in the equation X / 5 = 2 1/2?

• 25/2

• 10

• Both 12.5 and 25/2

• 12.5

Which of the following is NOT a correct way to express the solution to X / 5 = 2 1/2?

• 25/2

• 12 1/2

• 12.5

• 13