using the commutativer property (a+b=b+a) we can more the numbers around to group the like terms (x with x and number with numbers normally x is in front so -3x+1x+4-2 group using associatie property which says (a+b)+c=a+(b+c) (-3x+1x)+(4-2) add liket erms (-2x)+(2) -2x+2 or 2-2x
