Writing Two-Step Equations

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Presentation transcript:

Writing Two-Step Equations

Warm Up 1.6 + y = -7.3 − 2 3 𝑛=12 The cost of a ticket to an amusement park is $42.00 per person. For groups of up to 8 people, the cost per ticket decreases by $3.00 for each person in the group. Marco’s ticket cost $30.00. Write and solve an equation to find the number of people in Marco’s group.

Use Algebra Tile to Model 3x – 4 = 5

Model -3x + 4 = 5

A one-year membership to Metro Gym costs $460 A one-year membership to Metro Gym costs $460. There is a fee of $40 when you join, and the rest is paid monthly. Write an equation to represent what you will pay monthly for the yearlong membership. Write an equation that would help members find how much they pay per month.

Why would the equation 40 + 12m = 460 be difficult to model using algebra tiles? Can the equation 40 + 12m = 460 be rewritten in the form 52m = 460?

Billy has a gift card with a $150 balance Billy has a gift card with a $150 balance. He buys several video games that cost $35 each. After the purchases, his gift card balance is $45. Write an equation to help find out how many video games Billy bought.

Write a corresponding real-world problem to represent 5x + 50 = 120.

Write a real-world problem that can be represented by 10x + 40 = 100.