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Vocabulary
Solve for a Given Variable
Word Problems
100
8x=48
x=6
100
3x-4=11
x=5
100
In the following equation, what is the variable? 7y-4=3
y
100
x+4, when x=5
9
100
Three times a number is twelve
x=4
200
x-19=34
x=53
200
2x-7=35
x=21
200
What is the coefficient in the following equation?: 3m=12
3
200
x-8, when x=29
21
200
Two times a number plus 3 is seventeen
x=7
300
7+x=28
x=21
300
-3x+4=16
x=-4
300
When solving an equation, what are you solving for?
The variable.
300
3x-8, when x=4
4
300
Four times a number minus six is thirty-eight.
x=11
400
x-9.3=3.1
x=12.4
400
11n+1=67
n=6
400
What does it mean to isolate the variable?
Getting the variable alone on one side of the equation.
400
x/4+7, when x=12
3
400
A number divided by two plus three is fifteen.
x=24
500
47+x=91
x=44
500
x/5 - 6 = 12
x=90
500
What is the inverse operation of multiplication?
Division.
500
13-x/5, when x=30
7
500
A number divided by four minus seven is twenty-one.
x=112