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Hotmath Practice Problems

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Title:
Hotmath Pre-Algebra
Author:
Hotmath Team
 
Free
Chapter:Rational NumbersSection:Solving Equations
 

Problem: 1

Complete the steps.

x + 2.5 = 19

 

Problem: 3

Find the value of the variable that makes the statement true.

16.3 + x = 0

 

Problem: 5

Find the value of r in the given equation and check your solution.

r – 6.8 = –3.5

 

Problem: 7

Find the value of the variable that makes the statement true.

x + 16.4 = –3.2

 

Problem: 9

Find the value of b in the given equation and check your solution.

b – 4.9 = 9.6

 

Problem: 11

Solve.

h – (–2.7) = 2.7

 

Problem: 13

Find the value of the variable that makes the statement true.

7 + 4.7 + x = 4.7

 

Problem: 15

Fill in the blank spaces for the given equation.

0.16x = 1.1

 

Problem: 17

Solve the given equation. Verify your solution.

 

Problem: 19

Solve the given equation. Verify your solution.

–0.04x = –0.76

 

Problem: 21

Solve for the variable using the inverse operation.

–2n = 8

 

Problem: 23

Solve for the variable using the inverse operation.

–4y – 10 = 10

 

Problem: 25

Check the solution after solving the equation.

 

Problem: 27

Find the value of m in the given equation and check your solution.

 

Problem: 29

Find the value of b in the given equation and check your solution.

 

Problem: 31

Find the value of k in the given equation and check your solution.

 

Problem: 33

Solve the given equation. Verify your solution.

 

Problem: 35

Solve the given equation. Verify your solution.

 

Problem: 37

Solve the given equation. Verify your solution.

 

Problem: 39

Refer to the figure. Write an equation and solve for x.

Area = 77/5 square units.

 

Problem: 41

Frame and solve the equation for the sentence given below.

One third of a number, plus 7, is 24.

 

Problem: 43

Use the formula

to find the equivalent Celsius temperature for 1400 F.