Title: Solving Linear Equations Date: 24/04/13

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Presentation transcript:

Title: Solving Linear Equations Date: 24/04/13 Starter – 10 minutes Solve the equations on the code breaking worksheet. Once you find the value of a letter, place it above its value in the box to decode the message. The first one has been done for you.

Solving linear equations with brackets and positive & negative solutions Example 1: 7(x + 13) = 5x + 40

Solving linear equations with brackets and positive & negative solutions Example 2: 12x – 3 = 6x – 21

Questions 2x + 7 = 15 3x – 4 = 7x – 24 7x + 2 = 11x - 26

Answers x = 4 x = 5 x = 7 x = 2 x = 5 x = -3 x = 7 x = 11 x = -5

Solving linear equations with fractions Example 3: ½(2x – 3) = 7

Plenary - Grade A* Question Find the value of x: x/2 + x/3 = 15