Skip to ContentGo to accessibility pageKeyboard shortcuts menu
OpenStax Logo
Prealgebra

Practice Test

PrealgebraPractice Test

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?

PreviousNext
Order a print copy
Citation/Attribution

This book may not be used in the training of large language models or otherwise be ingested into large language models or generative AI offerings without OpenStax's permission.

Want to cite, share, or modify this book? This book uses the Creative Commons Attribution License and you must attribute OpenStax.

Attribution information
  • If you are redistributing all or part of this book in a print format, then you must include on every physical page the following attribution:
    Access for free at https://openstax.org/books/prealgebra/pages/1-introduction
  • If you are redistributing all or part of this book in a digital format, then you must include on every digital page view the following attribution:
    Access for free at https://openstax.org/books/prealgebra/pages/1-introduction
Citation information

© Feb 9, 2022 OpenStax. Textbook content produced by OpenStax is licensed under a Creative Commons Attribution License . The OpenStax name, OpenStax logo, OpenStax book covers, OpenStax CNX name, and OpenStax CNX logo are not subject to the Creative Commons license and may not be reproduced without the prior and express written consent of Rice University.