## susana05 Group Title how do I simplify this? 2(a + 4) + -8 one year ago one year ago

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1. wwe123

|dw:1353591402573:dw|

2. jazy

|dw:1353591456733:dw|

3. shaik0124

2a+18 if u consider + sinn between 8 andd 8 else 2a id -ve sign b/w 8 n 8

4. shaik0124

aorry 2a+16

5. shaik0124

2a+16

6. jazy

So you actually have two equations: $2a + 8 + 8 \to 2a + 16$and$2a + 8 - 8 \to 2a$ -------------------------- BUT, if it was 2(a + 4) + (-8) then that's the same as 2(a + 4) - 8: 2(a + 4) - 8 2a + 8 - 8 2a <--answer

7. Praja_01

2(a+4)+-8=2a+8+-8=2a