apply the properiate property to simplify the expression

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exercise1. 6(2x)   exercise2. - 3 (12k)   exercise3. 6(2 + x ) exercise4. - 6(-1 - k)   exercise5. - 6 +(-1 - k)

exercise6. -8 + (4 - P)    exercise7. 8( 1/2 a)   8(1/2 + a)   exercise8. 5/9(9 + y)   exercise9. 5/9(9y)

Oct 8th, 2014

exercise1. 6(2x)  = 6 * 2x = 12x

 exercise2. - 3 (12k)  = -3 *12k= -36k

 exercise3. 6(2 + x ) = 6 *2 + 6 * x = 12 + 6x

exercise4. - 6(-1 - k) =- 6 * -1 + 6 * k= 12 + 6k  [ note -6 * -k = + 6k

  exercise5. - 6 +(-1 - k) = -6 + -1 - k = -7 -k

exercise6. -8 + (4 - P) = -8 + 4 - P = -4 - P

  exercise7. 8( 1/2 a)  = 8 * 1/2 * a = 4 *a = 4a

  8(1/2 + a)   = 8 * 1/2 + 8 * a = 4 + 8a

 exercise8. 5/9(9 + y)  = 5/9 * 9 + 5/9 * y = 5 + 5/9 y

  exercise9. 5/9(9y) = 5/9 * 9y = 9y

  Category: Mathematics


Oct 8th, 2014

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