-2+3x=2x+6x+x
1. add like terms on right side of equal sign; 2x, 6x and x
-2+3x=9x
2. do the additive inverse of 3x on both sides of the equal sign (subtract 3 x on both sides)
-2=6x
3. do the multiplicative inverse of 6 on both sides (divide 6 from 6x and -2)
-2/6= x
4. simplify -2/6
x=-1/3
