SOLVING EQUATIONS AND EXPANDING BRACKETS

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Presentation transcript:

SOLVING EQUATIONS AND EXPANDING BRACKETS

AIM: USE FLOWCHARTS TO SOLVE EQUATIONS

6B – 5 = 13 B  6  -5  13 B  6  +5  13 B = 3 NOW TRY THESE 1. A + 10 = 15 2. B – 4 = 20 6C = 24 4. 2A + 7 = 25 5. 5Y – 1 = 19 6. 10V + 3 = 37

AIM: EXPAND BRACKETS 3(A + 5) This means the same as A + 5 A + 5 A + 5 3A + 15 Can you see a quick way of doing this? 7(B + 3) = 7B + 21 5(y - 4) = 5y - 20 3(2c + 5) = 6c + 15

AIM: EXPAND BRACKETS AND SOLVE THE EQUATION EXPANDED 5A + 10 = 30 FLOWCHART A  5  +10  30 A  5  -10  30 A = 4