Solving Equations Things to remember: means to find the value of the variable (what number the letter represents). The inverse of + is and the inverse of x is ÷ – Work one step at a time, keeping you = signs in line on each new row of working. Questions: 1. Solve 4x + 3 = 19 x =……………………… (Total 2 marks) 2. (a) Solve 6x 7 = 38 – x = ................................. (2) (b) Solve 4(5y 2) = 40 – y = ................................. (3) (Total 5 marks) 3. 5(2y + 3) = 20 y = ................................. (Total 3 marks)
Solving Equations Things to remember: means to find the value of the variable (what number the letter represents). The inverse of + is – and the inverse of x is ÷ Work one step at a time, keeping you = signs in line on each new row of working. Questions: 1. Solve 4x + 3 = 19 x =……………………… (Total 2 marks) 2. (a) Solve 6x – 7 = 38 x = ................................. (2) (b) Solve 4(5y – 2) = 40 y = ................................. (3) (Total 5 marks) 3. 5(2y + 3) = 20 y = ................................. (Total 3 marks)
Revision-Guide-aiming-for-3.docx