Over Lesson 4–4 A.A B.B C.C D.D 5-Minute Check 1 Simplify the following expressions: 5x – 3 + 2x 8y – 5 – 6 – 4y 6z + 3 – 5 + 4 + 2z 7x – 3 4y – 11 or.

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Presentation transcript:

Over Lesson 4–4 A.A B.B C.C D.D 5-Minute Check 1 Simplify the following expressions: 5x – 3 + 2x 8y – 5 – 6 – 4y 6z + 3 – z 7x – 3 4y – 11 or 4y z + 2

Splash Screen Solving Multi-Step Equations

Then/Now You have already solved two-step equations. (Lessons 4–5) Solve multi-step equations.

Example 1 Solve a Multi-Step Equation 8x – 5 = 27Step 1: Rewrite the equation Solve 5x + 3x – 5 = 27. x=4Step 4: Do the math 8x = =+ 5 Step 2+3: Draw line; Inverse Repeat Steps 2+3

Example 2 Solve a Multi-Step Equation w=33Step 4: Do the math

Example 1 Solve a Multi-Step Equation -6c + 6= 30Step 1: Rewrite the equation Solve -4c + 6 – 2c = 30. c=-4Step 4: Do the math -6c = =- 6 Step 2+3: Draw line; Inverse Repeat Steps 2+3

Example 1 Solve a Multi-Step Equation -4d + 3 = 19Step 1: Rewrite the equation Solve 11 – 4d – 8 = 19. d=-4Step 4: Do the math -4d = = - 3 Step 2+3: Draw line; Inverse Repeat Steps 2+3

Example 4 Combine Like Terms Before Solving 1b – 3b + 8 =18Step 1: Rewrite the equation –2b + 8 = 18Step 1: Rewrite the equation –2b + 8 =18 – 8 – 8 Step 2+3: Draw line; Inverse –2b=10 Solve b – 3b + 8 = 18. Check your solution. Repeat Step 2+3. b = –5Step 4: Do the math Answer: The solution is –5.

A.A B.B C.C D.D Example 4 Solve 9 = 13 – x + 5x. A.1 B. C. D.–1

End of the Lesson