Solving Equations with Brackets

Question 1:

2x4=6
x =7

Question 2:

11x+12=1
x =111011

Question 3:

42x+7=18
x =114

Question 4:

32x+7=19
x =13

Question 5:

6x+7=36
x =1

Question 6:

11x+2=14
x =811