D=t/3
12=t/3
×3 ×3
___________
36=t
So the answer is D.) 36 kilometers
3(a+b) and 3a+b: not equivalent
4(x+2y) and 8y+4x: equivalent
Answer:
a = -3
Step-by-step explanation:
3a - 6a + 2 = 8a + 20 - 5a
Combine Like Terms
-3a + 2 = 3a + 20
-2 -2
-------------------------------------
-3a = 3a + 18
-3a -3a
-------------------------------------
-6a = 18
---- ----
-6 -6
a = -3
Answer: H
Step-by-step explanation:
