Description
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)
Explanation & Answer
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
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