Solving Equations with Brackets

Question 1:

18= 42x3+2x
x =3

Question 2:

32x+3+5x=53
x =4

Question 3:

43x109x=10
x =10

Question 4:

55= 32x510x
x =10

Question 5:

62= 52x3+x
x =7

Question 6:

5x107x=68
x =9