| A | B |
|---|
| coefficient | the number multiplied by the variable |
| variable | a letter in place of an unknown value |
| constant | a number |
| like terms | terms with the same variable part |
| 4+0=4 | identity property of addition |
| 4(1)=4 | identity property of multiplication |
| 2x+x | 3x |
| 3x+2y+5x | 8x+2y |
| x+9y+9+14x | 15x+9y+9 |
| x+x^2+2x | 3x+x^2 |
| x+x+3+x+1+2x | 5x+4 |
| The sum of 5 and a number | x+5 |
| The difference of 8 and a number | 8-x |
| The quotient of a number and 3 | x/3 |
| 3x+2x+2+4 | 5x+6 |
| 2y+3y+4x+2x | 5y+6x |
| 1+3+5x+3x+4 | 8x+8 |
| x+2y+2x+y | 3y+3x |
| 5x+7x+10 | 12x+10 |
| 2x+3x+2+3+4 | 5x+9 |
