12+8 which is 20
ax equals 20
so when you plot it in a number line you draw a number line then have the number 20 going back then draw a coloured in circle because the inequality has a line underneath the more than sign then you draw the line going left
this shows that ax is smaller than 20
1 you need to work it out like solving equations then you plot it in the number line if the question ask you to
thank you
