How do you solve 4+6x+3x=22
4+6x+3x=22 (combine like terms)4+9x=22-4 -49x=18 (then divide by 9)x=2
4+6x=10x+3x=13x so every time you have a letter x,a or what ever you always have to have to put a letter in your result when there is a letter