Solve an algebraic equation with one variable
Objectives
Student will be able to:
solve addition and subtraction equations containing one variable.
use inverse operations to isolate the variable in an equation.
check solutions to addition and subtraction equations with one variable.
Introduction
Solve the equation for
a
.
Use subtraction, the inverse operation of addition, to solve.
Check by replacing
a
with 17 in the original equation.
Exercises
Complete the exercises.
1.
Solve and check.
1
.
Correct
Incorrect
Not Assigned
2.
Solve and check.
2
.
Correct
Incorrect
Not Assigned
3.
Solve and check.
3
.
Correct
Incorrect
Not Assigned
4.
Solve and check.
4
.
Correct
Incorrect
Not Assigned
5.
Solve and check.
5
.
Correct
Incorrect
Not Assigned
6.
Solve and check.
6
.
Correct
Incorrect
Not Assigned
7.
Solve and check.
7
.
Correct
Incorrect
Not Assigned
Circle true or false.
8.
If
, then
a.
true
b.
false
b. false
w
= 10
8
.
Correct
Incorrect
Not Assigned
9.
If
, then
a.
true
b.
false
a. true
9
.
Correct
Incorrect
Not Assigned
10.
If
, then
a.
true
b.
false
b. false
t
= 23
10
.
Correct
Incorrect
Not Assigned