Solve equations involving rational numbers using addition and subtraction
Objectives
Student will be able to:
use addition or subtraction to solve equations involving rational numbers.
Introduction
When solving an equation involving rational numbers:
If the number is being added to the variable term, subtract the number from both sides.
If the number is being subtracted from the variable term, add the number to both sides.
Exercises
Complete the exercises. Show all work.
1.
Solve for
c
.
Check student's work.
1
.
Correct
Incorrect
Not Assigned
2.
Solve for
b
.
Check student's work.
2
.
Correct
Incorrect
Not Assigned
3.
Solve for
x
.
Check student's work.
3
.
Correct
Incorrect
Not Assigned
4.
Solve for
x
.
Check student's work.
4
.
Correct
Incorrect
Not Assigned
5.
Solve for
m
.
Check student's work.
5
.
Correct
Incorrect
Not Assigned
6.
Solve for
x
.
Check student's work.
6
.
Correct
Incorrect
Not Assigned
7.
Solve for
p
.
Check student's work.
7
.
Correct
Incorrect
Not Assigned
8.
Solve for
n
.
Check student's work.
8
.
Correct
Incorrect
Not Assigned
Circle the correct answer.
9.
What is the value of
y
in
the following equation?
a.
b.
c.
d.
d.
9
.
Correct
Incorrect
Not Assigned
10.
What is the value of
y
i
n the following equation?
a.
b.
c.
d.
a.
10
.
Correct
Incorrect
Not Assigned