Answer:
2x + y = 12 = x + y = 6
Step-by-step explanation:
2x + y = 12
divide 2 by 12
x + y = 6
this os all I really under stand lol sorry!
Answer:
6, just divide
Step-by-step explanation:
Hope this helps!!!! :))
Answer:
D. 10.20 cm
Step-by-step explanation:
Answer:
x = 10
Step-by-step explanation:
To find x, write a proportion between the side lengths for the similar triangles in the figure.

To solve, cross multiply and isolate x.
(x+5)(12) = 18(x)
12x + 60 = 18x
60 = 6x
10 = x
45, 90, 27, are all numbers dividible by 9