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8.7.2: Practice Test

  • Page ID
    118974
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    Practice Test

    325.

    Determine whether each number is a solution to the equation.
    3x+5=23.3x+5=23.

    1. 6 6
    2. 23 5 23 5

    In the following exercises, solve each equation.

    326.

    n 18 = 31 n 18 = 31

    327.

    9 c = 144 9 c = 144

    328.

    4 y 8 = 16 4 y 8 = 16

    329.

    −8 x 15 + 9 x 1 = −21 −8 x 15 + 9 x 1 = −21

    330.

    −15 a = 120 −15 a = 120

    331.

    2 3 x = 6 2 3 x = 6

    332.

    x + 3.8 = 8.2 x + 3.8 = 8.2

    333.

    10 y = −5 y + 60 10 y = −5 y + 60

    334.

    8 n + 2 = 6 n + 12 8 n + 2 = 6 n + 12

    335.

    9 m 2 4 m + m = 42 8 9 m 2 4 m + m = 42 8

    336.

    −5 ( 2 x + 1 ) = 45 −5 ( 2 x + 1 ) = 45

    337.

    ( d + 9 ) = 23 ( d + 9 ) = 23

    338.

    1 3 ( 6 m + 21 ) = m 7 1 3 ( 6 m + 21 ) = m 7

    339.

    2 ( 6 x + 5 ) 8 = −22 2 ( 6 x + 5 ) 8 = −22

    340.

    8 ( 3 a + 5 ) 7 ( 4 a 3 ) = 20 3 a 8 ( 3 a + 5 ) 7 ( 4 a 3 ) = 20 3 a

    341.

    1 4 p + 1 3 = 1 2 1 4 p + 1 3 = 1 2

    342.

    0.1 d + 0.25 ( d + 8 ) = 4.1 0.1 d + 0.25 ( d + 8 ) = 4.1

    343.

    Translate and solve: The difference of twice xx and 44 is 16.16.

    344.

    Samuel paid $25.82$25.82 for gas this week, which was $3.47$3.47 less than he paid last week. How much did he pay last week?


    8.7.2: Practice Test is shared under a CC BY 4.0 license and was authored, remixed, and/or curated by LibreTexts.

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