Writing Equations
One Step and Multi-step Equations
Inequalities
Absolute Values
Absolute Values and Inequalities
100
Three times a number is 15
3x = 15
100
x - 5 = 14
x = 19
100
x - 3 < 5
x < 8
100
|3| =
3 and -3
100
|x| < 1
-1 < x < 1
200
Four times a number minus eight equals twenty eight.
4x - 8 = 28
200
x + 8 = 29
x = 21
200
x + 5 > 17
x > 12
200
|x| = 0
x = 0
200
|x| > 3
-3 > x > 3
300
Two added to six times a number is 32
2 + 6x = 32
300
3x + 1 = 10
x = 9
300
2x + 1/2 > 0
x > -1/4
300
|x + 3| = 6
x = 3 or -9
300
|2x + 1| > 5
x > 2 or x < -3
400
Minus three times a number plus two equals ten.
-3x + 2 = 10
400
3x - 12 = 0
x = 1/4
400
5x - 20 < 5
x < 5
400
|5x - 5| = 10
x = 3 or -1
400
|2x+3| > 4
x > 1/2 or x< -3 1/2
500
A number divided by ten plus six equals one hundred and six.
x/10 + 6 = 106
500
2/5x + 10 = 30
x = 50
500
1/3x + 9 < 0
x < 27
500
|3x - 1| = 8
x = 3 or -7/3
500
|3x + 5| > 30
x > 8 1/3 or x < -11 2/3
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