Addition
x + 4 = 10
x = 6
x - 7 = 12
x = 19
3x = 15
x = 5
x/3 = 2
x = 6
x + 3 = 20
x = 17
2x + 3x + y
5x + y
2xy - 3xy - xz
-xy - xz
2x(y+z)
2xy + 2xz
12x / 3 - 10y/5
4x - 2y
x - 18 = 50
x = 68
-2 (a + b)
-2a - b
-3(x-2y)
-3x + 6y
16x - (2x+ y)
14x - y
3x/y = 18
x = 6y
4x + 3 = 35
x = 8
(2a + 3b) + (-3a + b + 2c)
- a + 4b +2c
-3a+b -(4a +c)
-7a +b - c
3x x 4x
12x2
24x/8x + y
3 + y
-3 (2a - 2b)
-6a + 6b
Emily is organizing her bookshelf. She already has b books on her shelf. Her friend gave her 18 more books as a gift. Write an algebraic expression to represent the total number of books Emily has now.
b + 18
Sophia had p pencils in her pencil case. She gave 12 pencils to her friend. Write an algebraic expression to represent how many pencils Sophia has left.
p - 12
A pack of stickers contains 4 stickers. If you buy p packs and have 12 stickers in total, how many packs did you buy? Write an equation to solve for p.
4p = 12
There are x bags of candy. If each bag contains 5 candies and there are 20 candies in total, how many bags of candy are there? Write an equation to solve for x.
(x/5) = 20
Samantha is saving money to buy a new video game. She already has $15 saved up, and she plans to save $5 every week. If she continues saving at this rate, how much money will Samantha have after w weeks?
Write an algebraic expression to represent the total amount of money Samantha will have after w weeks.
15 + 5w