Step-by-step explanation: first you subtract 3x from both sides ending up with 2x on the left side. 2x-2= 9+10. You’ll then combine like terms adding 9 and 10 having 2x-2=19 You then add 2 to both sides. 2x=21 then dived by 2 on both sides. It won’t simplify so the answer is x=21/2
