Point d is the centroid of δabc. gd = 2x – 8 and gc = 3x + 3. find the value of x.

Check the picture below.

bearing in mind that, the centroid in a triangle, cuts all medians running through it, in a 2:1 ratio, namely DC : GD are on  a 2 : 1 ratio, or DC/GD = 2/1.

1. is 4 and 2. is 3

step-by-step explanation:

so if you look at the first one you see that 1 is to 4 and 2 is to 8 and so on, so you can see for every 1 there is a times 4 so if it were 3 then it would be 3*4 and it is 12

for number 2 it is 3 because 1 is to 3 and 2 is to 6 so for every 1 there is 3 so if it were 3 then there would be 3*3 = 9