I think it is y=-.25
7*3 - 4y = 20
21 - 4y = 20
subtract 21 from each side
- 4y = - 1
divide each side by - 4
y= -.25

The appropriate choice is ...
... D) 1.0×10⁻³ inch
Answer:
4
x
+
23
Step-by-step explanation:
Answer: i cant see the pic i would help but i cant see picture
Step-by-step explanation:
Answer:
x = 8/5
Step-by-step explanation:
Cross multiply
5(x + 2) = 3 * 6
5x + 10 = 18
5x = 8
x = 8/5