If you take your calculator and enter in -82+28 it should give you the answer easily If you dont have one use ur phone.
Easiest way 1.o.1
Answer:
a = 12
x = 5.714
Step-by-step explanation:
sf = 15 / 9
20 / (15 / 9) = 12
a = 12
sf = 21 / 6
20 / (21 / 6)
x = 5.714
Answer: X =5/2, 15/2 x=2.5, 7.5
Step-by-step explanation: