Solving Equations with Brackets

Question 1:

9x9=-18
x =7

Question 2:

24x+5=98
x =11

Question 3:

10x11=-60
x =5

Question 4:

2x12=-18
x =3

Question 5:

8x4=-16
x =2

Question 6:

12x+10=240
x =10