Solution??
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Add/Subtract Inverse Operations
Multiply/Divide Inverse Operations
Words and Math
100
2x + 4 = 15 x=5
No Solution.
100
What is a variable?
A variable is a letter that represents a value that can change. For example: x can represent a variety of different numbers.
100
x + 5 = 21 x = ?
21-5 = 16 so x = 16
100
3x = 12 x= ?
12 divided by 3 = 4 x= 4
100
What does sum mean?
The answer to an ADDITION problem.
200
x + 15 = 27 x=12
Solution
200
What does evaluate mean?
Evaluate means to solve or find the value of an expression.
200
x - 46 =25 x= ?
25 + 46 = 71 x = 71
200
8 = 4x x= ?
8 divided by 4= x= 2
200
What does product mean?
The answer to a MULTIPLICATION problem.
300
A + 23 = 83 A= 61
No Solution
300
What is an algebraic expression?
An algebraic expression contains at least one variable (letter).
300
81 = 17 + x x = ?
81 - 17 = 64 x = 64
300
x divided by 5= 4 x= ?
5 x 4 equals 20 x= 20
300
What does quotient mean?
The answer to a DIVISION equation.
400
60 divided by C= 10 C=6
Solution
400
What is a numerical expression?
A numerical expression contains all numbers. Does not have any variables.
400
49 = 12 + x x =?
49 - 12 = 37 x=37
400
6= x divided by 4 x= ?
6 x 4 = 24 x= 24
400
To find out how much more or less you would use what operation?
Subtraction
500
96 divided by x =7 x= 12
No Solution
500
What is a constant?
A constant is a value that does not change. For example: if something is always 5 times something, that is a constant.
500
x + 28 = 44 x= ?
44 - 28 = 16 x= 16
500
15 = x divided by 3 x= ?
3 x 15 = 45 x= 45
500
To divide into equal groups, you would use what operation?
Division
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