Expressions
Simplify: -8x - 4x + x
What is -11x.
-3x = 18
What is x = -6.
2y - 15 = 65
What is y = 40.
Find the perimeter of a square whose side is 3x.
What is 12x.
Mrs. Wood buys two items from Amazon. She buys a pack of mechanical pencils for $5.23 and she also buys a bag of yellow jolly ranchers. If her total was $8.79, how much were the jolly ranchers. Write and solve as an equation.
What is x + $5.23 = $8.79 x = $3.56.
Evaluate: -8r + 6 when r = -2
What is 22.
F + 6 = -40
What is F = -46.
3x + 50 = -10
What is x = -20.
6c - 7 -8c - 9
What is -2c - 16.
Mr. Wood buys 3 packs of socks at x dollars each and a T-shirt for $4.27. The total cost was $25.12. Write an equation and determine the value of x.
What is 3x + $4.27 = $25.12; x = $6.95.
Simplify: 15g - 11 + 3g - 8
What is 18g - 19.
6x = 48
What is x = 6.
1/3B - 4 = 5
What is B = 27.
The perimeter of a rectangle is 8x. Write an expression to represent the sum of all of the sides.
What is 3x + 3x + x + x.
Simplify: 3x - 7 + x -8 - 12x
What is -8x - 15.
Simplify: 2(3a - 4) + 7a
What is 13a - 8.
1/2G = 5
What is G = 10.
-2k + 8 = 16
What is k = -4.
2y - 15 = 19
What is y = 17.
Factor out 5w + 20.
What is 5(w + 4).
The perimeter of a rectangle is 18x. If the width of the rectangle is 4x, how long is the length?
What is 5x.
W - 13 = 33
What is W = 46.
-1/4D + 3 = 8
What is D = -20.
Simplify: 3(9a + 6b) - (5a + 2b)
What is 22a + 16b.
Simplify: 8(x - 4x).
What is -24x.