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

The video tutorial covers solving mathematical problems involving algebraic expressions and equations. It begins with setting up a problem to find the value of P using given values for X and Y. The tutorial then explains how to expand algebraic expressions and solve equations by expanding and simplifying. Each section provides detailed steps and explanations to ensure understanding of the mathematical concepts involved.

What is the value of 4X if X equals 5?

• 15

• 20

• 30

• 25

If Y is -2, what is the result of 3Y?

• -6

• 6

• -4

• 4

What is the final value of P when 4X is 20 and 3Y is -6?

• 18

• 16

• 14

• 12

What does it mean to expand an expression in mathematics?

• To add terms together

• To multiply terms and remove brackets

• To divide terms

• To subtract terms

What is the result of expanding 4E(E + 2)?

• 4E + 8

• 8E^2 + 4E

• 4E^2 + 8E

• 4E^2 + 2E

What is the first step in solving the equation 3(N - 4) = 21?

• Divide by 3

• Expand the bracket

• Subtract 4 from both sides

• Add 4 to both sides

What is the value of N in the equation 3(N - 4) = 21?

• 12

• 10

• 9

• 11