Translate and Solve Equations

Translate and Solve

"The sum of a number and 7, divided by -3, is 2"

Translate and Solve

"A number squared increased by 5, is 41"

Translate and Solve

"A number subtracted from 14 is 2"

Translate this word problem into an equation: Hannah ordered books for her son from an online retailer. Each book costs $7.25 and there is a shipping fee of $6.75 for the entire order. How many books did Hannah order if her total cost was $93.75?

Translate this word problem into an equation: Dawson’s Garage charges $55 per hour to do car repairs plus the cost of the parts. If the cost of the parts was $142 and the total cost was $362, how many hours did the repairs take?

Cheryl gets paid $8 per hour for her job at the record store and $15 for working late on Saturday.  She made a total of $96 last week.  Which equation models this situation?

• 96h + 15 = 8

• h/96 = 8

• 8h + 15 = 96

• h/8 = 96

The steps in solving 5b - 6 = 24 are: 

• Add 6 to both sides and divide both sides by 5

• Add 6 to both sides and multiply both sides by 5

• Subtract 6 from both sides then multiply both sides by 5

• Subtract 6 from both sides then divide both sides by 5

²/₃ x - 4 = -10

• 21

• -4

• 9

• -9

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

• y = 50 - 90x

• y = 90x + 50

• y = -50x + 90

• y = -90 - 50x

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