Lesson 1-4 Solving Two-Step and Multi-Step Equations

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Presentation transcript:

Lesson 1-4 Solving Two-Step and Multi-Step Equations Obj: The student will be able to solve equations in one variable that contain more than one operation HWK: p 36-38 24-40 even, 43-46 even, 47-49 even, 62-64 even COS: A-REI 1, A-REI 3

Solve each equation. Check your answers. Ex 1) 10 = 6 – 2x Ex 2) 1.5 = 1.2y – 5.7

Ex 3) 𝐵 15 - 1 5 = 3 5 Ex 4) 2𝑥 5 - 1 2 = 5

Ex 5) 6x + 3 – 8x = 13 Ex 6) 4(x – 2) + 2x = 40

Ex 7) If 2x + 4 = -24, what is the value of 3x?

Ex 8) Alex belongs to a music club Ex 8) Alex belongs to a music club. In this club, students can buy a student discount card for $19.95. This card allows them to buy CDs for $3.95 each. After one year, Alex has spent $63.40. Write and solve an equation to find how many CDs Alex bought during the year. What are you asked to solve for? What do you know from the problem? Make a plan and solve it: Does it make sense?