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Order of Operations
One-Step Equations
Two-Step Equations
Two-Variable Equations
Writing Equations
100
3+6-15
What is -6
100
5x=10
What is -0.5
100
2x+6=20
What is x=7
100
y=8x-2 if x=-7
What is y=-58
100
Three times a number increased by 4 is at least 16.
What is n _> 4
200
8-9+3
What is 2
200
6x=20
What is -0.3
200
8x+6=20
What is x=1.75
200
y=4-3x if x=3
What is y=9
200
The sum of a number and 7 is less than 19.
What is n<12
300
4(8+3)-11
What is 33
300
6x=15
What is -0.4
300
3x-9=15
What is x=8
300
y=3+6x if x=15
What is y=135
300
Five less than a number is at most 11.
What is n_<16
400
6+9-8+2
What is 9
400
5x=20
What is -0.25
400
8x-16=55
What is x=568
400
y=7+9x if x=2
What is y=32
400
The quontient of a number decreased by six is at most thirty.
What is n_<9
500
5(9+5)-13
What is 1
500
-8x=18
What is 0.4
500
16x-7=25
What is x=512
500
y=9+8x if x=3
What is y=51
500
Five times a number decreased by 7 times the same number is at most 20.
What is n_>10