1. AIM: Solving Two-Step
Equations
Do Now
Solve the following equations and SHOW CHECKS!
a.) x - 20 = -35 CHECK b.) -3x = 24 CHECK
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2. 2

3. 3

4. Anticipatory Set
Based on the Brain Pop video:
1.) Why are two-step equations called two-step equations?
2.) What does it mean for a number to be “just hanging out there”?
3.) Based on the procedure from the video, solve the following equation.
5x + 10 = 50
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5. 1
7x + 8 = 36
CHECK
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6. 2
u
+3 =1 CHECK
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6

7. 3
-8j - 7 = 1 CHECK
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8. 4
f CHECK
-7 + = -1
2
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9. 5
w
9+ = -5 CHECK
4
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10. 6
9m - 17 = -8 CHECK
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11. 7
c.) x
-3=5 CHECK
-6
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12. 8
6 - 2x = -14 CHECK
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13. Extra Practice
More Extra Practice
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14. BEFORE YOU LEAVE
Correct any mistakes in the following problem and
correct the explanation provided.
1.) 3x + 6 = 24
3 3
x+6= 8
-6 -6
x= 2
Explanation: I divided both sides by 3 and then I
subtracted 6 from both sides.
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15. Mr. Tjersland's Math 7
Homework: Castle Learning due Monday 10/3/11
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16. AIM: Solving Two-Step
Equations
CHECK
-8j - 7 = 1
u
+3 =1 CHECK
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