1. OBJECTIVE: How do we solve equations?
Do Now
Solve the following equation. SHOW YOUR CHECKS!
-2x - 2(x - 6) = -4x - 4 - 8 + 6x
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2. Math-A-Thon donations
due Friday
One check made out to
St. Jude's Hospital
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3. Anticipatory Set
CHECKING
When you check a solution to an equation, substitute your
answer then follow the order of operations.
-2x - 2(x - 6) = -4x - 4 - 8 + 6x
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4. CHECK
-6(x - 1) = -4(x + 5)
-6(x - 1) = -4(x + 5)
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5. CHECK
8x - 1 = 23 - 4x
8x - 1 = 23 - 4x
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6. CHECK
3(2x + 2) - 4x = 66 - 80
3(2x + 2) - 4x = 66 - 80
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7. CHECK
-9x + 2x + 27 = 60 - 4x
-9x + 2x + 27 = 60 - 4x
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8. Tiffany works at Carrabra‛s Restaurant. She
works an equal number of hours on Friday night and
on Saturday night. On Friday night, Tiffany
waitresses at the restaurant earning $8 an hour
plus $61 in tips. On Saturday, she works as a
hostess earning $10 an hour. Last weekend,
Tiffany earned a total of $187. How many hours
did Tiffany work on Friday night as a waitress at
Carrabra‛s Restaurant?
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9. Before You Leave
The perimeter of a rectangle is 60 centimeters. If the
width is 6 less than the length, what are their values?
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10. Mr. Tjersland's Math 7
Homework: Cumulative Review Sheet due Thursday
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