Distributive Property
2x + 3y -2 -6x +7
-4x + 3y +5
2.6 + (-3.7-(-1.5))
0.4
Leon orders sheets of metal for an art class he teaches. He needs 12 sheets for his Tuesday night class and 8 sheets for his Thursday night class. There is also a $7.95 delivery fee. Write an expression that represent the total cost of Leon’s order, if x is the cost of one sheet.
12x+8x+7.95
Simplify: (y-3)-(-3y+4)
4y-7
(-6) x 5 / 8 x (-1/3)
1/24
A square has a perimeter represented by the expression 8.8s - 20. Write an expression to represent the length of one side of the square.
2.2s-5
Simplify: (y+7) - (-4y+8)
5y-1
3 x (-4) +(-1.3)
-13.3
This morning, the temperature was 13 1/2 °F. During the day, the temperature increased by 5.6 °F. At night, the temperature decreased by 23.8 °F. What was the temperature after it decreased?
-4.7 degrees
Simplify: -8y-16(3/8y-1)
-14y+16
Solve: 5.5 x (6.8-81.6)
-411.4
While Jackie was in Hawaii, she dove for shells. One afternoon she dove 7.8 feet. Her next two dives were each 2 1/8 feet deeper than the dive before it. What were the elevations relative to sea level of her second and third dives?
-9.925 ft. and -12.05 ft.
Simplify: 10(4/5x+3)-2x
-10x+30
Solve: 4 x (-6) / 7 x (1/3)
-1 1/7
A new mobile device has a value of $256.25. Its value changes by -$57.65 each year for the next two years. What is the value of the phone after two years?
$140.95