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14 and 18 help thanks

14 and 18 help thanks-example-1

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18 is yes but i cant see 14

User IndigoFire
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7.8k points
6 votes

18) 3(3x - y) = 9x - y is the question

Distribute 3 to all terms within the parenthesis (3x and -y). Remember to bring the sign.

3(3x) = 9x

3(-y) = -3y

9x - 3y ≠ 9x - y

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19) Write the missing numbers in the pattern below:

7, __, 21, __, 35, 42

From what we can see of the numbers next to each other (35 & 42), subtract the two numbers

42 - 35 = 7.

As you can see, the number is 7. Subtract 7 from 35

35 - 7 = 28

Subtract 7 from 28

28 - 7 = 21

Subtract 7 from 21

21 - 7 = 14

you're two answers are bolded & underlined: 7, 14, 21, 28, 35, 42

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hope this helps

User Charu Maheshwari
by
9.0k points

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