1 Create basic expressions and equations, such as expressing a number that is 2 more than n, including forming linear simultaneous equations. 2 Solve linear equations with one variable, for example: 3x + 4 = 10. 3 Solve simultaneous linear equations involving two variables, such as: 5 - 2x = 3(x + 7). 4 Rearrange simple formulas to make a specific variable the subject, including cases where the variable appears only once and does not involve powers or roots.

Quick explanation

1 Create basic expressions and equations, such as expressing a number that is 2 more than n, including forming linear simultaneous equations. 2 Solve linear equations with one variable, for example: 3x + 4 = 10. 3 Solve simultaneous linear equations involving two variables, such as: 5 - 2x = 3(x + 7). 4 Rearrange simple formulas to make a specific variable the subject, including cases where the variable appears only once and does not involve powers or roots

• This point belongs to Equations, especially Equations outcomes.
• You need to be able to 1 Create basic expressions and equations, such as expressing a number that is 2 more than n, including forming linear simultaneous equations. 2 Solve linear equations with one variable, for example: 3x + 4 = 10. 3 Solve simultaneous linear equations involving two variables, such as: 5 - 2x = 3(x + 7). 4 Rearrange simple formulas to make a specific variable the subject, including cases where the variable appears only once and does not involve powers or roots.
• The key ideas to know are Construct, Determine, and Show.
• Use the linked flashcards and practice questions to check recall, then practise applying the idea in an exam-style answer.