One Step: Adding/Subtracting
x - 7 = 12
What is x = 19?
4x = 16
What is x = 4?
4x - 15 = 13
What is x = 7?
2(b+5)=2
What is b = - 4?
Jonas, his wife and their 3 children made a trip to the Indiana state fair. Jonas spent $16 on entry tickets for adults. If he paid $23.50 for the entry tickets in total, how much did the entry fee for each child cost?
3x+16=23.50
x=2.5
$2.50
-3x + 6 = - 12
What is x = 6?
-5(2n-25)=25
What is n = 10?
Eva and her sister, Claire, are saving up to buy a new camera Eva has saved up $299.99 in her account. Claire sets aside her weekly allowance over a five week period to buy the camera that costs $699.99. Write an equation and solve for Claire's weekly allowance.
5x+299.99=699.99
x=80
$80
x + 3 = - 14
What is x = - 17?
x= (5)(3)
What is x = 15?
x + 3 = (10)(2)
What is x = 17?
-(2b+7)=-13
What is b = 3?
On Monday, 365 students went on a trip to the zoo. All 6 buses were filled and 5 students had to travel in cars. Write an equation to represent the situation. How many students were in each bus ?
6x+5=365
x=60 students
- 2x = (10) (6)
What is x = - 30?
2x - 10 = 12
What is x = 11?
2(-5y-2)+5=11
What is y = -1?
The perimeter of your pool is 65 feet. One side length is 15 feet. The other side length is 12+x feet. Write AND solve an equation to find the length of x.
2(15+x)=65
x=5.5
5.5 feet
4x = (-6) (6)
What is x = - 9?
3x - 36 = - 45 + 6
What is x = - 1?
-0.2(6-10x)=2.8
What is x = 2?
Jason had 232 dollars to spend on 7 books. After buying them he had 15 dollars. How much did each book cost ?
$31