1. DO now Homework: Lesson 2-1 & 2-2 Practice (page 18 & 21)
Warm-Up: Solve each of the following one-step equations.
15x = 60
t – 23 = 6
n + 12 = -18

2. Warm-Up: Solve each of the following one-step equations.
How did you solve
each equation?
Warm-Up: Solve each of the following one-step equations.
15x = 60 t – 23 = 6 n + 12 = -18

3. SB Activity 2 What’s my number:
Solving Equations
Lesson 2-1

5. Let’s try another
If you multiply 4 times the sum of 3 and me and then subtract 8 from that value, I am 12! What’s my number?

9. Steps
Property/explanation

10. Basic plan for solving equations:
Simplify each side of the equation by combining like terms (if possible)
Isolate the term containing the variable.
Isolate the variable.

11. The equation was 3x +5 = 20. Show how to solve it algebraically.

12. Steps
Property/explanation

13. Steps
Property/explanation

14. Steps
Property/explanation

15. Steps
Property/explanation

16. Steps
Property/explanation

17. Steps
Property/explanation

20. d d = 19
Steps
Property/explanation