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**SOLVING EQUATIONS AND EXPANDING BRACKETS**

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**AIM: USE FLOWCHARTS TO SOLVE EQUATIONS**

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

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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

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**AIM: EXPAND BRACKETS AND SOLVE THE EQUATION**

EXPANDED 5A + 10 = 30 FLOWCHART A 5 +10 30 A 5 -10 30 A = 4

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DIVIDING INTEGERS 1. IF THE SIGNS ARE THE SAME THE ANSWER IS POSITIVE 2. IF THE SIGNS ARE DIFFERENT THE ANSWER IS NEGATIVE.

DIVIDING INTEGERS 1. IF THE SIGNS ARE THE SAME THE ANSWER IS POSITIVE 2. IF THE SIGNS ARE DIFFERENT THE ANSWER IS NEGATIVE.

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