Vocabulary 1
The property that allows multiplication to be distributed over addition and subtraction
Distributive Property
Operations that undo each other, which are used to solve equations.
Inverse Operations
Solve.
3x+4=10
x=2
Solve.
2(x+3)=14
x=4
Solve.
x/4=6/8
x=3
A symbol, usually a letter, that represents an unknown value.
Variable
A mathematical statement that show two expressions are equal, containing an equals sign.
Equation
Solve.
x/5-2=1
x=15
Solve.
3x+5=2x+12
x=7
Solve.
5/x=10/12
x=6
Numbers, variables, or terms that have the same variable and same power.
Like Term
The value that makes an equation true.
Solution
Solve.
6x-8=22
x=5
Solve.
4(x-2)+8=4x
Infinite Solutions
Solve.
2/(x+2)=8/12
x=1
A situation where an equation has no possible value that makes it true.
No Solutions
A situation where any value of the variable makes the equation true.
Infinite Solutions
Solve.
(x-4)/6=2
x=16
Solve.
5x+2=5x-7
No Solution
Solve.
(x-2)/5=12/15
x=6
A number multiplied by a variable.
Coefficient
A number that does not change, it stands alone in an expression or equation.
Constant
Solve.
2/3x+5=11
x=9
Solve.
(2x+5)/3-4=x
x=-7
Solve.
(3x-4)/6=(2x+1)/3
x=-6