Mathsercise-C Ready? Equations 1 Here we go!.

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Presentation transcript:

Mathsercise-C Ready? Equations 1 Here we go!

1 Solve the equation… 8x – 3 = 21 + 3 8x = 24 x = 3 Question 2 Answer Equations 1

It is ok to have a negative answer! Solve the equation….. Question 3 4(3n + 7) = 16 12n + 28 = 16 - 28 Brackets first! Answer 12n = -12 It is ok to have a negative answer! n = -1 2 Equations 1

Brackets first, then group the terms! Solve the equation… Question 4 4(x + 2) = 6x + 4 = - 4 4x + 8 6x - 4x + 4 Brackets first, then group the terms! Answer 4 = 2x x = 2 3 Equations 1

4 The perimeter of this triangle is 39cm (t + 3) (t + 4) (t – 1) Find the value of t (t + 3) (t + 4) Start (t-1) Answer + + = 39 3t + 6 = 39 4 t = 11 Equations 1