One Step Add Subtract Algebra

Translate the equation from words to Algebra:

8 added to the quotient of x and negative 2 is negative 16

Marco and Polo are making the world's largest apple pie. They will need 215 apples. Marco has already picked 95 apples. How many apples will Polo need to pick so they have enough? Select the equation that best describes this problem.

• p - 95 = 215

• 215 + p = 95

• p + 95 = 215

• 95p = 215

p + 95 = 215

What is the best first step to solve this equation?

• Add 95 to both sides.

• Subtract 215 from both sides.

• Subtract 95 from both sides.

• Subtract "p" from both sides.

Julian borrowed $475,000. He's going to need some time to pay you back. On Friday, he gave you $190,000. How much more money does he owe you? Select the equation that best represents this problem.

• 190,000 - j = 475,000

• Julian needs to stop borrowing money.

• 190,000 + 475,000 = j

• 190,000 + j = 475,000

You want to buy a new phone that will cost $1,049. You have already saved $750. How much more money do you need to save? Select the equation that best represents this problem.

• 750 - m = 1,049

• 1,049 + 750 = m

• 750 + m = 1,049

Tired of paying so much for gas, you traded in your Ram 2500 Power Wagon for a Fiat 500. The gas tank hold 10.5 gallons. You just filled it up and put 8.2 gallons in it. How much gas was in the tank before you filled it up?

Select the equation that best describes this question.

• x + 8.2 = 10.5

• 10.5 + x = 8.2

• 10.5 + 8.2 = x

• 8.2x = 10.5

Johnny borrowed $270 from you and he needs 3 months to pay it back. How much money does he need to give you each month? This problem can be shown by the equation 3m = 270 What are the steps and solution to this problem?

• Divide both sides by 3, m = 90

• Multiply both sides by 3, m = 810

• Subtract 3 from both sides, m = 267

• none of these

In the equation
x + 7 = 12
7 is being added to the variable, x. How should you show your work to isolate the variable and solve the equation? 

• Subtract 7 from both sides. The solution is x = 5.

• Add 7 to both sides.
  The solution is x = 19.

• Multiply both sides by 7 The solution is x = 84.

What equation matches this situation?
Robyn had some video games then bought 4 more.  Now she has a total of 10 games.

• v - 4 = 10

• v + 4 = 10

• 10 - 4 = v

• Answer not Given

What would be the best first step to solving the equation?
-3=x+5

• add 3 to both sides

• subtract 5 from both sides

• add 5 to both sides

• subtract -5 from both sides