Solving Equations

Question 1:

10x+4=103x
x =9

Question 2:

10x3=118x
x =11

Question 3:

2x9=335x
x =6

Question 4:

6x4=8+3x
x =4

Question 5:

3x9=9+6x
x =-6

Question 6:

9x10=80x
x =9