Solving Equations

Question 1:

3x+9=22x
x =1125

Question 2:

x3=75x
x =123

Question 3:

6x+10=5+2x
x =194

Question 4:

6x+6=6+10x
x =0

Question 5:

x+5=10x
x =212

Question 6:

3x5=122x
x =325