Vocabulary
A letter in an expression
Variable
The 2 in "2x + 3" is
Coefficient
-5x + 2 +1
"-5x + 3" or "3 -5x"
If the signs are the same you ______
Add and keep the sign
Constant
The 7 in "3x + 7" is the ______
Constant
9y - 13 -2y
"7y - 13" or "-13 + 7y"
If the signs are different you _______
subtract and keep the sign of the biggest number
A term with a letter
Coefficient
The "y" in "15 - 3y" is the ______
Variable
Combine " 5 + 4x -6x -3"
You _______ +5 - 3
Subtract