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19 September, 06:01

1. Evaluate 3y - 4 for y = 5

2. 65 + x = 99 x = ?

3. Find the product. 38.7 * 21

4. Which value satisfies the equation? 9x + 3 = 30 *

-2

-3

-4

+5
Answers (1)
  1. 19 September, 09:47
    0
    1. Evaluate 3y - 4 for y = 5

    3 * (5) - 4=15-4=11

    2. 65 + x = 99 x = ?

    65+x=99

    x=99-65

    x=34

    3. Find the product. 38.7 * 21

    38.7*21=812.7

    4. Which value satisfies the equation? 9x + 3 = 30

    The right value for x would be:

    9x+3=30

    9x=30-3

    9x=27

    x=27/9=3
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