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Published byMichelle Moser Modified over 2 years ago

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SOLVING EQUATIONS AND EXPANDING BRACKETS

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AIM: USE FLOWCHARTS TO SOLVE EQUATIONS A + 5 = 12 A +5 12 A -5 12 A = 7 3C = 12 C 3 12 C = 4

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

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AIM: EXPAND BRACKETS 3(A + 5)This means the same as 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

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AIM: EXPAND BRACKETS AND SOLVE THE EQUATION 5(A + 2) = 30 EXPANDED 5A + 10 = 30 A 5 +10 30 A 5 -10 30 A = 4 FLOWCHART

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