2-3 Solving Multi-Step Equations CCSS: A.REI.1, A.REI.3.

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Presentation transcript:

2-3 Solving Multi-Step Equations CCSS: A.REI.1, A.REI.3

Example 1

Example 1 Continued…

Example 2: REAL WORLD  Hiroshi is buying a pair of water skis that are on sale for 2/3 of the original price. After he uses a $25 gift certificate, the total cost before taxes is $115. What was the original price of the skis? Write an equation and solve

Example 3: Consecutive Integers Find three consecutive odd integers with a sum of -51. Find three consecutive integers with a sum of 21

Example 4: REAL WORLD  Among the career home run leaders for MLB, Hank Aaron has 175 fewer than twice the number that Dave Winfield has. Hank Aaron hit 755 home runs. Write an solve an equation for the number that Dave Winfield has.

Example 5: Common Core  The ages of three brothers are consecutive integers with the sum of 96. How old are the brothers?

Example 6: REAL WORLD  The Cell+ Cellular Phone store offers the plans shown in the table. Raul chose the business plan has budgeted $100 per month. Write an equation for this situation, and determine how many minutes per month he can use the phone and stay within budget. Plan Flat Fee Monthly AnytimeMinutes Cost per minute over Personal$ $0.20 Business$ $0.15 Executive$ $0.10