Writing Two-Step one-variable Equations

An electrician charges $90 per hour plus a $50 travelling fee. Which equation represents the total cost of $340 for a repair by an electrician after x hours?

• 340 = 50 - 90x

• 340 = 90x + 50

• 340 = -50x + 90

• 340 = -90 - 50x

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CCSS.HSA.CED.A.3

Scott works on cars. He charges $35 for each car plus $7 per hour. Write an equation that represents this scenario if Kylie's car bill was $63.

• 7x + 35 = 63
• 7x = 63
• 7x - 35 = 63
• 35x + 7 = 63

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CCSS.HSA.CED.A.3

A banana has 85 calories. This is 10 calories less than one eighth of the calories in a banana split. Which equations helps you find how many calories are in a banana split?

• 85 - 10 = x
• x/8 + 10 = 85
• x/8 - 10 = 85
• x/8 - 10 = 75

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CCSS.HSA.CED.A.3

Penelope is going to the carnival to ride the rides. It costs $20 to get into the carnival and ride tickets are $0.50 each. Write an equation that represents this scenario if she spends $35 in all.

• .50x + 20 = 35
• .50x = 35
• .50 + 20x = 35 
• .50x - 20 = 35

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CCSS.HSA.CED.A.3

Natalie is a softball coach. She has a pitching private lesson with Kasey. Kasey's mom pays Natalie $11 per hour plus a $6 tip. Write an equation that represents this scenario if the total cost was $39.

• 11x + 6 = 39
• 11x - 6 = 39
• 11 + 6x = 39
• 66x = 39

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CCSS.HSA.CED.A.3

Jim paid a gym membership fee of $50, plus $20 per month.  Jim has paid a total of $290 to the gym.  Which equation matches this situation?

• 50 + 20m = 290
• 20 + 50m = 290
• 50 + 20 = m
• 50m - 20 = 290

Tags

CCSS.HSA.CED.A.3

Zorna weighs 92 pounds. Her weight is 6 pounds more than half of her father's weight. Which equation would help me find out how much her father weighs?

• 6x + 2 = 92
• x + 6 = 92
• 2x + 6 = 92
• x/2 + 6 = 92

Tags

CCSS.HSA.CED.A.3

Bradley has a coupon for $10 off his purchase for video games. If each game costs $55 and he uses his coupon, how many video games can he purchase with $200?

• 200 = 55 - 10x

• 200 = 55 - 10

• 200 = 55x +10

• 200 = 55x - 10

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CCSS.HSA.CED.A.3

A recipe uses 4 tomatoes per batch. Jill bought 32 tomatoes, but 6 of them rotted! How many batches of her recipe can she make?

• 4x + 6 = 32

• 4x - 6x = 32

• 4x - 6 = 32

• 4 + 6 = 32

Tags

CCSS.HSA.CED.A.3

The taxi charges $10 to ride and $.25 per mile. If Brenda spent $14.75, how many miles did you travel?

• 10 + 25x = 14.75

• 10 + .25x = 14.75

• 10 + .25 = 14.75

• 10x + .25 = 14.75

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CCSS.6.EE.A.2

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