3. 3
ALGEBRA
The Search for Unknowns
Objective: Isolate the variable to find its value
RULES
3.) Use inverse operations
1.) Keep the equation balanced
2.) Simplify by combining like terms and using the
distributive property.
6(2n - 5) = -90
1
4. 4
ALGEBRA
The Search for Unknowns
Objective: Isolate the variable to find its value
RULES
3.) Use inverse operations
1.) Keep the equation balanced
2.) Simplify by combining like terms and using the
distributive property.
36 = 3(x - 2)
2
5. 5
ALGEBRA
The Search for Unknowns
Objective: Isolate the variable to find its value
RULES
3.) Use inverse operations
1.) Keep the equation balanced
2.) Simplify by combining like terms and using the
distributive property.
-3(2y + 7) = -39
3
6. 6
ALGEBRA
The Search for Unknowns
Objective: Isolate the variable to find its value
RULES
3.) Use inverse operations
1.) Keep the equation balanced
2.) Simplify by combining like terms and using the
distributive property.
-5(x - 3) = -10
4
7. 7
ALGEBRA
The Search for Unknowns
Objective: Isolate the variable to find its value
RULES
3.) Use inverse operations
1.) Keep the equation balanced
2.) Simplify by combining like terms and using the
distributive property.
-36 = -3(x + 2)
5
8. 8
ALGEBRA
The Search for Unknowns
Objective: Isolate the variable to find its value
RULES
3.) Use inverse operations
1.) Keep the equation balanced
2.) Simplify by combining like terms and using the
distributive property.
-3(x - 4) = 2
6
9. 9
The perimeter of a rectangle is 60 centimeters. If the
width is 6 less than the length, what are their values?
The perimeter of a rectangle is 26 centimeters. If the
width is 3 more than the length, what are their values?
2l + 2w = P
10. 10
BEFORE YOU LEAVE
How would you explain today's
lesson to a student who was
absent today?
OBJECTIVE: How do we
solve equations involving parenthesis?
