Integers
What is -3 +-4
-7
Use the distributive property to expand: 3(2x +1)
6x + 3
Combine all like terms: 2x + 3x
6x
Solve 3 + x when x=2
Write the expression for the following situation:
5 increased by a number.
5 + x
What is -8 - -10?
Keep change change
2
Use the distributive property to expand: -4(2x - 2)
-8x + 8
Combine all like terms: 5x + 7 - 3x
2x + 7
Solve 2x + 7 when x=5
17
Write the expression for the following situation:
A number decreased by 7.
x - 7
What is -6+ -4
Use the distributive property to expand: 5(3x - 2)
15x - 10
Combine all like terms: 5x + 6y + 4x - 3y
9x + 3y
Solve 2x + y when x=9 and y=3
21
Write the expression for the following situation:
The quotient of 100 and a number.
100/x
What is 98 - -8
90
Use the distributive property to expand: 7(-2x + 4)
-14x + 28
Combine all like terms: -7w + 8r + 6 - 3w
-10w + 8r + 6
Solve -4x + 6 when x= 4
10
Write the expression for the following situation:
7 more than 9 times a number.
7 + 9x
-100 - - 3
-97
Use the distributive property to expand:
10(2x + 3y + 4z + 5)
20x +30y + 40z + 50
Combine all like terms: x - 5x + 2y + 2y + 7 - 3
-4x + 4y +4
Solve x + 5y when x=3 and y=-1
2
Write the expression for the following situation:
Twice a number minus another number.
2x - y