Solving Equations with Brackets

Question 1:

7x11=0
x =11

Question 2:

33x11=-6
x =3

Question 3:

62x5=102
x =11

Question 4:

10x+5=140
x =9

Question 5:

5x+8=55
x =3

Question 6:

10x2=90
x =11