Vocabulary
A Letter Used to Represent an Unknown Number
Variable
5
-5
3x+5=15
Subtract 5 by both sides
3+5+7-4+8-3-7+8-5
12
3(x-2)
3x-6
Another Word for a Number or Variable Group in a Math Problem
Term
-7
7
3x-5=2x+8
Add five to both sides
-5x=-15
x=3
2x+3+4x+1
6x+4
A Number that is NOT Attached to a Variable
Constant
2/5
-2/5
2(x+2.5)=3x-8
Distribute the 2 then subtract the 5
3x=20-x
x=5
-3(2x+3)
-6x-9
Name This Animal
Aardvark
3*2-4
-2
5x=15
Divide by 5
3x+4x+5=19
x=2
2x+3-5x=14+2x-5
-3x+3=9+2x
The Number Multiplied by the Variable
Coefficient
-2(-5+2-7)
-20
1/5(3x-10)=3x+6
Multiply both sides by 5
8k+12=2(k-3)
k=-3
-3(-2x+4)-2x+5
4x-7