(x + 20)/2 = 3x
x + 20 = 2(3x) = 6x
6x - x = 20
5x = 20
x = 20/5 = 4
x = 4
Answer:
you're question is complicated
Step-by-step explanation:
Answer:
A,B,and C
Step-by-step explanation:
Hopefully this helps!
Answer:
280
Step-by-step explanation:
30/100 = 84/x
84 x 100 = 8400
8400/30 = 280